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By Reviewed By Andreas Zabczyk

Blue Gemstones - A Complete List of Blue Gems

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Blue Gemstones

Blue Gemstones List

Blue gemstones are available in a stunning variety of shades, each with its own unique appeal. Ranging from the sky-like hue of aquamarine to the deep blue of sapphire, these stones stir emotions and forge a deep bond with nature. Historically revered for their mesmerizing color and scarcity, blue gemstones symbolize purity, calmness, and spirituality in various cultures. They have been cherished throughout history, adorning royal attire, embellishing sacred talismans, and being passed down as valued family heirlooms.

These gemstones are more than just visually appealing; they hold significant metaphysical and spiritual meanings. It's thought that blue gemstones can improve communication, bring inner peace, and clear the mind. Their calming energy is believed to alleviate anxiety, boost self-expression, and enhance creativity. Whether worn as personal jewelry or used in elaborate pieces, blue gemstones continue to enchant and inspire, providing a link to nature and a glimpse into our innermost selves.

We will investigate their origins, examine their cultural importance, and explore the wide array of gemstones in the blue spectrum. Join us as we uncover the mysteries of these captivating gems, celebrating their eternal beauty and deep fascination.

Blue Sapphire

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Blue Sapphire Gemstones

Sapphire is the best-known blue gemstone (though it also occurs in many other colors). Sapphire's blue color can range from light-blue to deep-blue. Since sapphire is a gem-quality form of corundum, it is incredibly hard and durable, with a hardness of 9 on the Mohs scale.

It is also considered to be one of the most precious of all gems available today. Some blue sapphires are known to exhibit phenomenal characteristics such as asterism (star) or color shift abilities. Today, blue sapphire from Sri Lanka (Ceylon) is considered most desirable, but previously, finds from Kashmir and Mogok, Burma, were known to be the finest quality.

Blue sapphire from Cambodia (Pailin) was also known to be of distinctive purity. Many even consider Pailin sapphire to be close in quality to Kashmir, Burmese and Sri Lankan (Ceylonese) sapphire. Sapphire can also be found with phenomenal traits, such as rare color change sapphire, as well as remarkable chatoyant star sapphire. Blue star sapphire is highly sought-after and especially valuable by collectors and jewelers alike. Sapphire is also one of September's birthstones.

Sapphire Hardness

9 on Mohs Scale

Sapphire Meaning

Blue Sapphire symbolizes wisdom, intuition, and spiritual insight. It brings inner peace, improves clarity of thought, and promotes mental focus.

Birthstone September

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Blue Star Sapphire

Blue Star Sapphire Gemstones

Blue star sapphires are a gemstone from the corundum family that display asterism. When light strikes this gemstone, a mesmerizing star-shaped pattern floats on its surface. The deep blue color of the blue star sapphire evokes a sense of mystery and celestial beauty, reminiscent of a midnight sky adorned with twinkling stars.

Star Sapphire Hardness

9 on Mohs Scale

Star Sapphire Meaning

Blue star sapphire enhances intuition and psychic abilities, promoting mental clarity, calmness, and balance.

Birthstone September

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Blue Topaz

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Blue Topaz Gemstones

Blue topaz is the second most popular colored gemstone of all time (according to Colored Stone magazine, sapphire is number one). Blue topaz has a hardness rating of 8 on the Mohs scale and is considered to be one of the most affordable gemstones. Like many gemstones today, the radiant blue shades of topaz are obtained through an artificial irradiation and enhancement process.

The colors of blue topaz are generally classed as three different 'levels' or shades; London blue topaz is a rich deep blue topaz, which is considered to be the most valuable and desirable shade of blue. A medium blue known as Swiss blue Topaz is second most popular, followed by a light sky-blue topaz. Blue topaz is also recognized as one of December's official birthstones.

Topaz Hardness

8 on Mohs Scale

Topaz Meaning

Blue topaz is associated with calming and soothing energies. It promotes emotional healing and balance, reducing feelings of anxiety and stress.

Birthstone November

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Blue Tourmaline

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Blue Tourmaline Gemstones

Blue tourmaline is the general term applied to two rare varieties of tourmaline: Paraiba tourmaline and indicolite tourmaline. Pure blue tourmaline is exceptionally rare, since most blue tourmaline exhibits a noticeable secondary green hue.

Paraiba tourmaline is considered to be the most valuable variety of tourmaline and was named after the locality of its original discovery in Brazil. Paraiba tourmaline obtains its neon green-blue color through traces of copper. Technically, the term 'indicolite' can be used to describe any other form of blue tourmaline. Indicolite's color can range from light to deep-blue.

Any blue tourmaline is considered to be very rare and anything over 1 carat is especially rare. Tourmaline is both hard (7 to 7.5 on the Mohs scale) and durable. Tourmaline with cat's eye chatoyancy isn't all that rare, but they are difficult to find. Cat's eye tourmaline is highly sought after by collectors. Tourmaline is also October's birthstone.

Tourmaline Hardness

7 - 7.5 on Mohs Scale

Tourmaline Meaning

Blue Tourmaline represents communication and self-expression. It promotes creativity and open-mindedness. It also encourages the pursuit of truth.

Birthstone October

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Tanzanite

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Tanzanite Gemstones

Tanzanite is one of today's most popular gemstones. It is an intense violet-blue gemstone variety of zoisite found in only one location in the entire world - the Merelani District of Tanzania near Mount Kilimanjaro. Tanzanite's vivid and distinct violet-blue color is like no other gemstone color available, but like many blue gemstones, tanzanite obtains its radiant color through routine heat-treatment.

Tanzanite is slightly soft when compared to many other types of jewelry gemstone (6 to 7 on the Mohs scale), but it is still hard enough for most jewelry. Tanzanite is the newest gemstone to make it on the AGTA's modern birthstone list as one of December's birthstones.

Tanzanite Hardness

6.5 - 7 on Mohs Scale

Tanzanite Meaning

Tanzanite is associated with transformation and spiritual awakening. It stimulates the higher mind and enhances intuition, fostering a deeper connection with the spiritual realm.

Birthstone December

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FAQs

What is the Most Expensive Blue Stone?

The most expensive blue stone is typically the blue diamond. Known for its stunning hues and exceptional clarity, blue diamonds are highly sought after in the gemstone market. Their price can vary greatly depending on the intensity of the blue color, presence of inclusions, and overall carat weight.

What are the Different Blue Birthstones?

There are several blue birthstones, each representing different months. These include sapphire for September, aquamarine for March, turquoise for December, and lapis lazuli for December as well. Each birthstone carries its unique shade of blue and meaning.

Are Blue Gemstones Durable?

The durability of blue gemstones varies. Sapphires are among the most durable, suitable for everyday wear. However, some blue stones like lapis lazuli are softer and require more careful handling.

Do Blue Gemstones Have Any Symbolic Meanings?

Blue gemstones often carry symbolic meanings. For example, sapphires are associated with wisdom and royalty, while aquamarine is believed to symbolize tranquility. The specific meaning can vary based on the type of gemstone and cultural context.

Can Blue Gemstones be Found in Different Shades of Blue?

Yes, blue gemstones come in a wide range of shades, from pale sky blue to deep dark blue. Each gemstone type, such as sapphire, topaz, or aquamarine, has its unique spectrum of blue hues.

Are There Any Precious Gemstones That are Blue?

Several precious stones are blue, including sapphires and blue diamonds. These gemstones are highly valued in the market for their color, rarity, and overall beauty.

Which is the Most Durable Blue Gemstone?

The most durable blue gemstone is the blue diamond, known for its excellent hardness and suitability for daily wear. This makes it an ideal choice for rings and other types of jewelry that require a resilient stone.

Are Blue Stones Valuable?

The value of blue stones depends on several factors such as rarity, color intensity, clarity, and whether they have undergone any treatment. Stones like blue diamonds and sapphires are typically more valuable due to their desirability and rarity.

What are some common types of blue gemstones?

Sapphire, topaz, aquamarine, lapis lazuli, and turquoise are some popular blue gemstones.

Why are blue gemstones so popular?

Blue gemstones are popular for several reasons. The color blue is often associated with qualities such as calmness, serenity, and tranquility, making blue gemstones appealing to many people seeking a sense of peace and relaxation. Additionally, blue gemstones are versatile and can complement a wide range of skin tones and jewelry styles, making them a popular choice for various occasions.

Can blue gemstones be used in engagement rings?

Absolutely! Blue gemstones like sapphire are especially popular for their beauty and durability.

How can you tell if a blue gemstone is real?

Look for natural inclusions, uniformity of color, and check if it has a cold touch compared to plastic or glass imitations. If you are unsure about the authenticity of a blue gemstone, consider taking it to a reputable gemologist or jeweler for professional evaluation and certification.

Which blue gemstone is the rarest?

Benitoite and blue garnet are among the rarest blue gemstones in the world.

How should I clean my blue gemstone?

Use mild soap and warm water with a soft brush. Avoid harsh chemicals and ultrasonic cleaners, especially for softer stones.

Are there affordable blue gemstones for a tight budget?

Absolutely, gemstones like blue topaz and lapis lazuli offer beautiful hues at more accessible price points.

What are the most expensive blue gemstones?

Blue diamond and Kashmir blue sapphire are at the top of the list for their rarity and stunning beauty.

Can blue gemstones fade in sunlight?

Yes, some blue gemstones can fade in sunlight. Exposure to sunlight, especially prolonged exposure to direct sunlight or UV rays, can cause certain blue gemstones to lose their color or fade over time. Some blue gemstones that are particularly prone to fading in sunlight include aquamarine and fluorite.

What settings are best for blue gemstones in jewelry?

Protective settings like bezels or halos are great, especially for softer stones like turquoise. Harder stones like diamonds and sapphire can be set in any type of settings.

What blue gemstones are best for daily wear?

Sapphires and topaz are excellent choices for daily wear due to their hardness and durability.

What blue gemstones are considered the most brilliant?

Blue diamonds are considered the most brilliant. However, blue diamonds are extremely rare and expensive. More accessible brilliant blue gemstones are sapphire and zircon.

Are there blue gemstones without any color zoning?

Yes, there are blue gemstones that are known for their uniform and consistent color without any color zoning. Some blue gemstones that are less likely to exhibit color zoning and are known for their even color distribution include blue sapphire, aquamarine and blue topaz.

Can blue gemstones help with relaxation?

Yes, many people believe that blue gemstones like aquamarine and lapis lazuli have calming properties that can help promote relaxation and reduce stress. The soothing color of blue is often associated with tranquility and peace, making these gemstones popular choices for those seeking to create a sense of calm in their lives.

What countries are known for their blue gemstones?

Sri Lanka, Madagascar, and Myanmar are famous for sapphires; Brazil and Africa are known for topaz and aquamarine.

How do I choose the right blue gemstone for me?

Consider your budget, the gemstone's durability, color preference, and what emotional or symbolic meaning the stone holds for you.

Are blue gemstones good for vintage jewelry styles?

Yes, especially sapphires and aquamarines, which have been popular in jewelry for centuries.

What myths are associated with blue gemstones?

Blue gemstones have been associated with various myths and beliefs throughout history. For example, ancient civilizations believed that blue gemstones like sapphires had protective powers and could ward off evil spirits. Additionally, blue gemstones have been linked to promoting communication and enhancing creativity.

How do blue gemstones react to different lighting?

Blue gemstones can exhibit different appearances depending on the lighting conditions they are exposed to. In natural daylight, blue gemstones like aquamarine and sapphire may appear vibrant and lustrous, showcasing their true color and brilliance. When placed under artificial lighting, such as incandescent or fluorescent light, blue gemstones may appear slightly different in hue or intensity. Some blue gemstones may appear more vivid and saturated under certain types of lighting, while others may appear slightly muted or darker.

Can I find blue gemstones in large carat sizes?

Yes, stones like blue topaz and aquamarine are often found in larger sizes.

What are the best blue gemstones for an anniversary gift?

Sapphire is a traditional gift for the 5th and 45th anniversaries, and aquamarine for the 19th.

Do blue gemstones hold their value over time?

Blue gemstones, like any other gemstone, can hold their value over time depending on various factors such as rarity, quality, demand, and market trends. Some blue gemstones, such as sapphires and blue diamonds, are highly sought after and considered valuable due to their rarity and beauty. These gemstones are likely to hold their value well over time, especially if they are of high quality and have been properly cared for.

What are some lesser-known blue gemstones?

Kyanite, zircon, and dumortierite are beautiful blue stones that are less commonly known.

How are blue gemstones graded?

Like other gemstones, blue gemstones are typically graded based on the ,Four Cs, criteria, which include color, clarity, cut, and carat weight.

Can blue gemstones be heat treated to enhance their color?

Yes, heating is a common treatment for enhancing the color and clarity of blue gemstones, especially sapphire and blue zircon.

What are the maintenance tips for blue gemstone rings?

Regular cleaning, avoiding harsh chemicals, and storing them safely away from other jewelry to avoid scratches.

How can you match blue gemstones with other jewelry?

Matching blue gemstones with other jewelry can create a stunning and cohesive look. When pairing blue gemstones with other jewelry, consider complementary colors like silver or white gold to enhance the blue hues. For a more bold look, you can also mix blue gemstones with contrasting colors like yellow gold or even other gemstones in different shades of blue. Ultimately, the key is to experiment and find combinations that you feel confident and comfortable wearing.

What is the most vivid blue gemstone available?

The most vivid blue gemstone available is typically considered to be the rare and highly sought-after gemstone known as Paraiba tourmaline. Its vibrant blue color is truly stunning. Other notable vivid blue gemstones include sapphires and tanzanite, which also exhibit beautiful shades of blue.

Are there any blue gemstones that are also fluorescent?

Some blue diamonds can exhibit strong fluorescence under UV light. Additionally, certain varieties of blue sapphires and tanzanite may also exhibit fluorescence in varying degrees.

What historical figures famously wore blue gemstones?

One historical figure famously associated with blue gemstones is Cleopatra, who was known to have adorned herself with lapis lazuli, a deep blue gemstone, to showcase her wealth and power. Additionally, Queen Elizabeth I of England was known to have a fondness for blue sapphires, which she often incorporated into her jewelry and attire. In more recent history, Princess Diana famously wore a stunning blue sapphire engagement ring, now worn by Kate Middleton, Princess of Wales.

Can blue gemstones crack or chip easily?

It depends on the gemstone. Sapphires are quite hard and resistant to chipping, whereas a stone like lapis lazuli is softer and more prone to damage.

What are the optical properties of blue gemstones?

Blue gemstones exhibit a range of optical properties that contribute to their unique appearance. Depending on the gemstone, properties like luster, refractive index, and pleochroism vary, contributing to their unique visual effects.

How does the cut affect the appearance of blue gemstones?

A good cut enhances the gemstone’s color, brilliance, and overall appearance, especially in transparent gems like sapphires.

Are blue gemstones popular in men's jewelry?

Yes, particularly darker stones like sapphire and lapis lazuli, which are often seen in men's rings and cufflinks.

What are the healing properties of blue gemstones?

Blue gemstones are often associated with calming and soothing energies, making them popular choices for promoting relaxation, communication, and emotional balance.

Can I customize a blue gemstone engagement ring?

Absolutely! Many jewelers offer custom designs that allow you to choose the specific type and cut of the blue gemstone.

What are some unique settings for blue gemstones?

Tension settings and floating designs can showcase blue gemstones beautifully by allowing more light to pass through.

How does the clarity impact a blue gemstone’s value?

The clarity of a blue gemstone refers to the presence of any internal flaws, inclusions, or blemishes within the gemstone. In general, higher clarity typically increases the value, especially in gems where clarity is expected, like sapphires.

What are the trends in blue gemstone jewelry?

Blue gemstone jewelry is currently experiencing several trends that are popular among jewelry enthusiasts. Some of the key trends in blue gemstone jewelry include bold and eye-catching statement pieces, combining blue gemstones with other colored gemstones, sustainable an ethical jewelry and vintage-inspired blue gemstone jewelry.

Are blue gemstones symbolic in any cultures?

Yes, blue gemstones hold symbolic significance in various cultures around the world. In many cultures, blue gemstones are associated with qualities such as wisdom, truth, loyalty, and tranquility.

How to test a blue gemstone for authenticity?

A gemologist can perform tests like refractive index measurement or check for specific inclusions typical of that gem.

What are the most common inclusions found in blue gemstones?

The most common inclusions found in blue gemstones can vary depending on the type of gemstone. However, some general types of inclusions that are commonly found in blue gemstones include rutile needles, mica inclusions, growth lines and color zoning.

Aquamarine

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Aquamarine Gemstones

Aquamarine is a member of the beryl family and is colored by traces of iron. Its color can range from blue to bluish-green and is typically very subtle, especially when compared to more vivid and intensely colored blue gemstones such as blue topaz.

Aquamarine is one of the few naturally blue untreated gemstones (although some darker stones may be heated) and it has excellent hardness and durability. It is also known to occur with rare cat's eye chatoyancy. Aquamarine is also the official modern March birthstone.

Aquamarine Hardness

7.5 - 8 on Mohs Scale

Aquamarine Meaning

Blue aquamarine is known for its calming and soothing properties. It promotes emotional healing and stress relief.

Birthstone March

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Blue Turquoise

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Blue Turquoise Gemstones

Turquoise is one of the best-known gemstones. In fact, the color 'turquoise' was named after the gemstone and not the other way around. Pure blue turquoise is quite rare. Like many blue gemstones, turquoise will typically have a noticeable touch of green.

Many turquoise gemstones are greener than they are blue. A sky-blue turquoise with minimal veining is typically considered to be the most valuable, though in some countries, blue turquoise with black veins or complex matrix patterns are more desirable.

The blue in turquoise comes from traces of copper, and green comes from traces of iron. Although turquoise is rather soft compared to many other jewelry gemstones (5 to 6 on the Mohs scale), it is very often used in jewelry. Turquoise is one of December's birthstones. Untreated turquoise is becoming increasingly rare. Most turquoise today has been enhanced through dying, waxing, impregnation or stabilization.

Turquoise Hardness

5 - 6 on Mohs Scale

Turquoise Meaning

Blue Turquoise symbolizes protection, positivity, and good fortune. It promotes emotional balance and communication. It also dispels negative energy.

Hardness 5 - 6
Birthstone December
Meaning Blue Turquoise symbolizes protection, positivity, and good fortune. It promotes emotional balance and communication. It also dispels negative energy.

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Kyanite

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Kyanite Gemstones

Kyanite is a very unique gemstone famed for its unique coloring. Its name is derived from a Greek word for 'blue', although it can occur in a variety of other colors as well. The most desirable kyanite gemstones exhibit a sapphire-like blue color, but most stones will display noticeable light and dark color zoning, along with some white streaks or blotches.

Its vitreous to pearly luster makes it a very attractive gemstone. Kyanite is also known for its distinct significant variable hardness; when cut perpendicular to the long axis it has a hardness of 6 to 7 on the Mohs scale, but when cut parallel to the long axis its hardness is only 4 to 4.5. Proper cut orientation is essential due to Kyanite's hardness.

Kyanite Hardness

6 - 7 on Mohs Scale

Kyanite Meaning

Kyanite is associated with tranquility and aligning one's chakras. It aids in communication with others and meditation. I can also promote a calming effect on the mind and body.

Hardness 6 - 7
Meaning Kyanite is associated with tranquility and aligning one's chakras. It aids in communication with others and meditation. I can also promote a calming effect on the mind and body.

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Iolite

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Iolite Gemstones

Iolite has a history that dates back hundreds of years, but the actual gemstone is considered relatively new and lesser-known. Iolite is a transparent, gemstone quality form of the mineral cordierite. It has a hardness of 7 to 7.5 on the Mohs scale, making quite suitable for jewelry-wear.

Iolite is known to exhibit pronounced pleochroism, often displaying violet-blue, yellow-gray and light-blue all in the same stone, depending on the angle from which it is viewed. When cut properly, iolite is typically violet to purplish-blue.

Iolite Hardness

7 - 7.5 on Mohs Scale

Iolite Meaning

Iolite is associated with inner vision, spiritual growth, and self-discovery. It enhances intuition, aid in decision-making, and encourages a deeper connection with inner wisdom.

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Lapis Lazuli

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Lapis Lazuli Gemstones

Lapis lazuli - or just 'lapis' as it is affectionately known - is one of the most popular blue gemstones of all time. Its use in decorative ornamental jewelry dates back thousands of years. The finest lapis is said to originate from Northern Afghanistan, where it has been mined for over 6,000 years.

Technically, lapis lazuli is defined as a rock and not a mineral. Many lapis stones may contain as many as 15 different minerals in a single stone. With lapis, the primary constituents include lazurite, calcite and pyrite. Lazurite gives lapis its vivid blue color.

Calcite is a white mineral responsible for its white marbling, and pyrite lends lapis its distinctive gold speckles and glitter. Lapis is considered to be fairly soft, rating just 5 to 6 on the Mohs scale of hardness, but it is still very popular in jewelry designs.

Lapis Lazuli Hardness

5 - 6 on Mohs Scale

Lapis Lazuli Meaning

Lapis Lazuli symbolizes truth, wisdom, and enlightenment. It promotes self-awareness, enhances intuition, and encourages self-expression.

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Blue Apatite

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Blue Apatite Gemstones

Apatite is composed of calcium phosphate, the same material that makes up our teeth and bones. Although it is a very common mineral, gem-quality materials are extremely rare. Apatite is the defining mineral for 5 on the Mohs scale and it is known to occur in a wide variety of colors including a 'Paraiba'-like blue-green.

Apatite is normally untreated, but one variety known as 'moroxite', is routinely heated to enhance its color. Some rare apatite gemstones may exhibit cat's eye chatoyancy, known in the trade as cat's eye apatite.

Apatite Hardness

5 - 5 on Mohs Scale

Apatite Meaning

Blue Apatite is associated with inspiration, intellect, and creativity. It stimulates thoughts, enhances concentration, and promotes a sense of clarity and confidence.

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Larimar

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Larimar Gemstones

Larimar is the blue to green-blue gemstone variety of pectolite. The name 'Larimar' is a trademarked name. Larimar is found in only one location in the entire world - the Dominican Republic. Larimar's distinct color is owed to calcium being replaced by copper impurities.

Larimar is often mixed with calcite and hematite, which can lend it very interesting shades of blue, ranging from white-blue to light-blue, and medium sky-blue to volcanic-blue. Volcanic blue Larimar is considered to be the most valuable. Larimar is rather soft, rating just 4.5 to 5 on the Mohs scale, but its use in jewelry remains quite popular. Larimar is very popular in the Caribbean, but it is extremely hard to find in any other area of the world.

Larimar Hardness

4.5 - 5 on Mohs Scale

Larimar Meaning

Larimar is often associated with tranquility, peace, and harmony. It facilitates clear communication, soothes emotions, and connects one with the healing energies of the ocean.

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Blue Fluorite

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Blue Fluorite Gemstones

Fluorite is one of most popular collector's gems in the world, second only to quartz. In fact, it is often referred to as 'the most colorful mineral in the world'. Fluorite gems can be found in a variety of vivid and intense colors and patterns. Fluorite was first described in 1530 and was originally referred to as 'fluorspar'.

The term 'fluorescence' came from fluorite because fluorite was one of the first fluorescent minerals studied. The fluorescent colors of fluorite are extremely variable, but the typical color is blue. Faceted fluorite is very rare, which is why most fluorite is cut en cabochon.

The most valuable fluroite is known as color change fluorite; a rare variety that exhibits a noticeable change in hue when viewed under different lighting conditions, typically blue in daylight, and purple under incandescent light.

Fluorite Hardness

4 on Mohs Scale

Fluorite Meaning

Blue Fluorite symbolizes mental clarity, focus, and orderly thinking. It enhances intuition, promotes spiritual growth, and brings about emotional stability.

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Blue Zircon

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Blue Zircon Gemstones

Blue zircon is the most brilliant blue gemstone available. It has a higher refractive index than sapphire, tanzanite and spinel, and blue zircon also possesses a very high level of dispersion; the splitting of white light into the spectral colors.

Zircon is considered to be reasonably hard (7 to 7.5 on the Mohs scale) though it can be brittle, resulting in facet edges wearing down over time. As a result of pleochroism, blue zircon often exhibits a slight greenish hue. Although zircon is a natural mineral, blue zircon is produced by the heating of brownish zircon from Cambodia and Myanmar (Burma). Zircon stones should never be mistaken for the artificial, synthetic diamond simulant known as cubic zirconia (CZ) that is not related to natural zircon.

Zircon Hardness

6.5 - 7.5 on Mohs Scale

Zircon Meaning

Blue Zircon symbolizes purity, joy, and prosperity. It enhances self-confidence, promotes spiritual growth, and encourages positive energy in one's life.

Birthstone December

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Blue Labradorite

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Blue Labradorite Gemstones

Labradorite belongs to the plagioclase group of feldspar gemstones. Its basic body color is normally dark-smoky to gray, with a remarkable metallic sheen or schiller, typically royal blue in color. Some of the finer labradorite specimens may display the full colors of the spectrum through their iridescence - these special stones are known in the trade as 'spectrolite'. Labradorite has a hardness of 6 to 6.5 on the Mohs scale, making it sufficiently hard for most jewelry use.

Labradorite Hardness

6 - 6.5 on Mohs Scale

Labradorite Meaning

Blue jadeite promotes tranquility, emotional balance, and wisdom. It enhances mental clarity, aids in decision-making, and promotes a sense of calmness and serenity.

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Blue Azurite

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Blue Azurite Gemstones

Azurite is a rare gem-quality variety of copper ore. There are two basic copper carbonate minerals - azurite and malachite. Of the two, azurite is much rarer. Azurite has a very distinctive and vivid blue color often described as, 'azure blue', hence its name.

Azure blue refers to the unique deep lapis-like color seen in fine quality azurite. Azurite may also be found mixed with malachite, forming attractive blue-green gemstones. Azurite druzy is also very popular for jewelry, and it is much more durable for wearing owed to the hardness of its matrix rock.

Azurite Hardness

3.4 - 4 on Mohs Scale

Azurite Meaning

Blue Azurite is associated with inner vision, intuition, and wisdom. It facilitates clear understanding, enhances psychic abilities, and stimulates the mind.

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Hemimorphite

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Hemimorphite Gemstones

Hemimorphite is one of two rare zinc silicates formerly referred to as calamine. Hemimorphite is closely associated with another blue to blue-green gemstone known as smithsonite. For many years, both hemimorphite and smithsonite were classed together as 'calamine' because of their close resemblance and gemological properties.

Hemimorphite has a hardness of 5 on the Mohs scale and can occur in various tones of blue, green and white. Most hemimorphite is blue to blue-green with a color similar to chrysocolla. Sky to Swiss blue hemimorphite is most desirable, often exhibiting bands of blue with white streaks.

Although it is more of a collector's gem than a jewelry gem, with proper settings and care, hemimorphite can be used to make extraordinary gemstone jewelry. Hemimorphrite druzy is also very popular for jewelry, and is more durable owed to the hardness of its matrix rock.

Hemimorphite Hardness

5 on Mohs Scale

Hemimorphite Meaning

Hemimorphite is often associated with emotional healing, personal growth, and transformation. Hemimorphite encourages a positive outlook, dispels negativity, and promotes inner peace.

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Rainbow Moonstone

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Rainbow Moonstone Gemstones

Moonstone is the best-known variety of orthoclase potassium feldspar, but 'rainbow moonstone' is technically not a true moonstone at all. Rainbow moonstone is a trade name for a special variety of labradorite, which is plagioclase feldspar that exhibits a bluish adularescence similar to the potassium feldspar moonstone.

However, most consider both gem types to be one and the same for simplicity's sake. The name 'moonstone' is owed to moonstone's bluish-white shimmering effect that resembles the moon shining in the night sky. The phenomenon is known as adularescence and is a result of moonstone's unique structural pattern.

Though most moonstone exhibits a bluish-white sheen, many other colors can be seen through its adularescence. Moonstone that exhibits the optical phenomenaof chatoyancy is rare, but not unheard of. Chatoyant moonstone is known in the gem trade as star moonstone.

Rainbow Moonstone Hardness

6 - 6.5 on Mohs Scale

Rainbow Moonstone Meaning

Rainbow Moonstone is associated with divine feminine energy and emotional balance. It enhances intuition, protects during travels, and promotes inner strength and harmony.

Birthstone June

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Rainbow Moonstone Rough Stones
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Blue Chrysocolla

Natural Blue Chrysocolla Gemstones
Blue Chrysocolla Gemstones

Chrysocolla is a gem-quality hydrous copper silicate. It appears similar to both azurite and malachite. Although chrysocolla is most famous for its vivid blue to cyan green color, it can also be found in a wide variety of unusual and unique combinations of blue and green.

Chrysocolla is colored by copper and is often confused with turquoise because of its similar color and appearance. Identifying chrysocolla by composition can be extremely difficult since it lacks a definitive chemical composition.

Any blue to green copper-bearing silicate that cannot be specifically identified as something else otherwise, can essentially, be identified as chrysocolla. Most gem labs will not confidently issue identification reports for chrysocolla for these reasons mentioned.

Chrysocolla Hardness

2 - 4 on Mohs Scale

Chrysocolla Meaning

Blue Chrysocolla symbolizes communication, expression, and empowerment. It encourages open communication, promotes self-awareness, and inspires creativity.

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Blue Chrysocolla Rough Stones
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Chalcedony

Natural Chalcedony Gemstones
Chalcedony Gemstones

Chalcedony belongs to the quartz group of minerals. Technically, 'chalcedony' is the umbrella term for all cryptocrystalline quartz. It can occur in a wide range of different colors, sizes and patterns. In the gemstone trade however, the term 'chalcedony' is typically used only to refer to 'chalcedony in the narrow sense' or 'actual chalcedony', which is the solid colored, translucent light-white to bluish gemstone.

It's been recently discovered that chalcedony quartz is actually a combination of quartz and a polymorph known as moganite. Chalcedony takes an excellent polish and high quality materials can exhibit a glowing attractive luster.

Chalcedony Hardness

6.5 - 7 on Mohs Scale

Chalcedony Meaning

Blue Chalcedony is associated with calming energies, emotional balance, and inner peace. It promotes feelings of goodwill, enhances generosity, and fosters a sense of unity.

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Chalcedony Rough Stones
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Blue Spinel

Natural Blue Spinel Gemstones
Blue Spinel Gemstones

For many centuries, blue and red spinel was mistaken for blue sapphire and red ruby. Spinel has very similar gemological properties to sapphire and ruby, which are both forms of corundum. Like corundum, spinel can also occur in a wide variety of colors.

Some spinel colors are considered rarer and more valuable than others. In general, fine red spinel is considered to be the most valuable, followed by rare blue spinel. Cobalt-blue is the most desired shade of blue spinel. Like diamond, spinel is singly refractive, resulting in very pure color.

The best blue spinel should have medium to medium dark color, similar to fine blue sapphire. Unlike sapphire, blue spinel is typically never treated in any way. Spinel is just slightly softer than sapphire, but it is still considered very hard and durable. Therefore it is perfectly suitable for any type of jewelry application.

Spinel Hardness

8 on Mohs Scale

Spinel Meaning

Blue Spinel symbolizes vitality, renewal, and inspiration. It enhances energy levels, stimulates creativity, and brings about a sense of revitalization.

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Blue Spinel Rough Stones
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Blue Diamond

Natural Blue Diamond Gemstones
Blue Diamond Gemstones

Diamond is the hardest known natural material on earth, rating 10 on the Mohs scale of mineral hardness. Its name comes from the Greek word 'adamas', meaning invincible. Diamond is composed of pure carbon, the same material that makes up graphite, a very common material used in the production of pencil lead and various other industries.

Blue diamond is typically irradiated to obtain its color, though some very rare stones may be completely natural and untreated. Most blue diamond will exhibit a secondary greenish hue. Blue diamond is prized for its rarity, exceptional hardness, high refractive index and high dispersion rating - the ability to split white light into its component colors.

Diamond Hardness

10 on Mohs Scale

Diamond Meaning

Blue Diamond symbolizes strength, trust, and loyalty. It inspires confidence, enhances inner strength, and promotes harmony and peace.

Birthstone April

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Blue Diamond Rough Stones
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Dumortierite

Natural Dumortierite Gemstones
Dumortierite Gemstones

Blue quartz is rare indeed, making dumortierite quartz one of the rarer varieties of quartz available. Dumortierite quartz is quartz aggregate intergrown with the mineral dumortierite. Its unusual and distinct blue color is owed to the mineral inclusions of dumortierite.

Its color can range from very light to dark-blue and in some rare cases, reddish-brown. Like all quartz, dumortierite has excellent hardness and durability, making it suitable for any type of jewelry. It is also often used for the production of porcelain and ceramics, as it turns pure white when heated.

Dumortierite Hardness

7 - 8.5 on Mohs Scale

Dumortierite Meaning

Dumortierite is associated with patience, understanding, and self-discipline. It enhances mental clarity, increases focus, and promotes a sense of order and organization.

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Dumortierite Rough Stones
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Blue Jadeite

Natural Blue Jadeite Gemstones
Blue Jadeite Gemstones

Blue jadeite exhibits a serene and calming hue that ranges from pale, watery blue to vibrant, intense shades. This gemstone's tranquil color represents harmony and balance. The lustrous blue of blue jadeite radiates an aura of elegance and sophistication, making it a sought-after gemstone for jewelry designs.

Jadeite Hardness

6 - 6.5 on Mohs Scale

Jadeite Meaning

Blue Jadeite symbolizes serenity, purity, and spiritual wisdom. It protects the wearer from harm, encourages harmony, and brings good fortune.

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Blue Jadeite Rough Stones
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Blue Opal

Opal Gemstones
Blue Opal Gemstones

With its ethereal blue shades reminiscent of tranquil waters, blue opal captures the enchanting beauty of the sea. This gemstone's color varies from pale sky blue to deeper ocean blues, creating a sense of depth and tranquility. Blue opal's colors often intermingled with hints of green, evoke the captivating allure of oceanic splendor.

Opal Hardness

5.5 - 6.5 on Mohs Scale

Opal Meaning

Blue opal is associated with soothing and uplifting properties, promoting emotional healing and communication. It brings a sense of peace, serenity, and emotional balance.

Birthstone October

Opal Information

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Blue Opal Rough Stones
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Grandidierite

Grandidierite Gemstones
Grandidierite Gemstones

Grandidierite displays a mesmerizing teal color that is both rare and captivating. Its unique blend of blue and green creates a vibrant and eye-catching gemstone. The teal hue of grandidierite is reminiscent of tropical waters, reflecting a sense of tranquility and natural beauty.

Grandidierite Hardness

7 - 7.5 on Mohs Scale

Grandidierite Meaning

It promotes clarity of thought, inner wisdom, and emotional healing. This gemstone encourages self-expression, creativity, balance, and harmony.

Grandidierite Information

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Grandidierite Rough Stones
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Blue Hawk's Eye

Hawks eye Gemstones
Blue Hawk's Eye Gemstones

Blue hawk's eye, also known as falcon's eye, exhibits a rich, deep blue color reminiscent of the vast expanse of the night sky. Its color ranges from dark navy blue to a striking cobalt shade. This gemstone's intense blue hue and chatoyancy (the cat's eye effect) creates a sense of mystery and intrigue. Blue hawk's eye shares the same composition as tiger's eye gems.

Hawk's Eye Hardness

6.5 - 7 on Mohs Scale

Hawk's Eye Meaning

Blue hawk's eye enhances communication, perception, and intuition. It stimulates the third eye chakra, promoting insight, mental clarity, and the ability to overcome challenges.

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Benitoite

Natural Benitoite Gemstones
Benitoite Gemstones

Benitoite is a rare mineral first discovered in California by James Couch in 1907. It is a fine blue barium titanium silicate. It is one of the rarest gemstones available today. Benitoite has a higher dispersion rating than diamond and is known to display impressive brilliance and fire.

Though the mineral benitoite has been found in various locations around the world, gem-quality and facetable material has only been found in San Benito, California. Benitoite is the official state gemstone for California.

Benitoite Hardness

6 - 6.5 on Mohs Scale

Benitoite Meaning

Benitoite is often associated with enlightenment, transformation, and personal growth. It facilitates communication with higher realms, enhances psychic abilities, and promotes self-discovery.

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Benitoite Rough Stones
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Lazulite

Lazulite Gemstones
Lazulite Gemstones

Lazulite showcases a heavenly azure blue color reminiscent of clear blue seas. The gemstone's tranquil blue hue evokes a sense of serenity and inner peace. With its gentle blue shades, lazulite reminds us of clear skies and peaceful horizons. It's cut into gemstone cabochons, beads, and occasionally carved pieces.

Lazulite Hardness

5.5 - 6 on Mohs Scale

Lazulite Meaning

Lazulite is associated with calming and soothing properties, aiding in stress reduction, relaxation, and emotional healing. It enhances communication, self-expression, and harmonious relationships.

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Blue Akoya Pearl

Akoya Pearl Gemstones
Blue Akoya Pearl Gemstones

Blue Akoya pearls are organic gemstones formed within oysters. They have delicate and iridescent blue overtones adored by gemstone enthusiasts and jewelers. These exquisite pearls are known for their lustrous surfaces and unique blue hues that shimmer in the light.

The soft blue of blue Akoya pearls exudes elegance and sophistication, adding a touch of timeless beauty to any jewelry piece.

Pearl Hardness

2.5 - 4.5 on Mohs Scale

Pearl Meaning

Blue Akoya pearls are associated with purity, emotional balance, and intuition. They promote feelings of love, compassion, and nurturing.

Birthstone June

Akoya Pearl Information

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Shattuckite

Shattuckite Gemstones
Shattuckite Gemstones

Shattuckite features an enigmatic azure blue color that captures the hearts of gemstone enthusiasts and jewelry designers. Its deep blue shade, often accompanied by swirling patterns, resembles a glimpse into the depths of a hidden azure lagoon.

It is used in cabochon form for rings, pendants, and earrings, where its vibrant blue color and unique patterns make it a popular choice for jewelry designs.

Shattuckite Hardness

3.5 on Mohs Scale

Shattuckite Meaning

Shattuckite enhances communication, intuition, and self-expression. It facilitates clear and honest communication, helps express thoughts and emotions effectively, and supports spiritual growth and inner transformation.

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Blue Smithsonite

Natural Blue Smithsonite Gemstones
Blue Smithsonite Gemstones

Smithsonite is a rare gem-quality zinc carbonate that is very closely related to blue hemimorphite, as mentioned above. Smithsonite is sometimes also referred to as 'zinc spar'. It is typically blue-green to green-blue in color and like hemimorphite, it is a very popular collector's gem, owing to its extreme rarity.

Smithsonite was named after James Smithson, a highly esteemed chemist and mineralogist. The famous Smithsonian Institute was actually named after Smithson, who funded the building with a donation made through his living will. Like hemimorphite, smithsonite is rarely used in jewelry owing to its rarity, but with care and proper design, smithsonite can make stunning wear.

Smithsonite Hardness

5 on Mohs Scale

Smithsonite Meaning

Blue Smithsonite is associated with tranquility, emotional healing, and stress relief. It promotes feelings of love, compassion, and emotional balance.

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Blue Smithsonite Rough Stones
Rough Blue Smithsonite Gemstones

Vivianite

Vivianite Gemstones
Vivianite Gemstones

Vivianite showcases earthy blue-green hues reminiscent of lush vegetation and serene bodies of water. Its unique color varies from pale blue to deep greenish blue, evoking a connection to nature and tranquility. Due to its softness, vivianite is not popular in jewelry. If used, it is typically set in protective settings or utilized in one-of-a-kind statement pieces where it's appreciated.

Vivianite Hardness

1.5 - 2 on Mohs Scale

Vivianite Meaning

Vivianite is associated with grounding and calming energies, promoting emotional healing, peace, and harmony. It releases negative emotions, enhances clarity of thought, and supports personal growth.

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Vivianite Rough Stones
Rough Vivianite Gemstones

Cavansite

Cavansite Gemstones
Cavansite Gemstones

Cavansite exhibits a striking indigo-blue color that immediately captures attention. Its intense and vibrant shade of blue conveys a sense of vitality and energy. It is a collector's gemstone, not a gemstone for mainstream jewelry designs because it's soft.

Cavansite Hardness

3 - 4 on Mohs Scale

Cavansite Meaning

Cavansite is known for its calming and soothing properties, promoting relaxation, stress reduction, and emotional healing. It is associated with enhancing intuition, psychic abilities, and spiritual growth.

Cavansite Information

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Cavansite Rough Stones
Rough Cavansite Gemstones

Sodalite

Natural Sodalite Gemstones
Sodalite Gemstones

Sodalite is a vivid blue gemstone that gets its name from its high sodium content. Sodalite's color is typically very deep blue, similar to lapis lazuli. It also often exhibits interesting white veins or patches that are due to calcite inclusions.

Sodalite is sometimes traded as 'alomite' or 'ditoite'. Hackmanite, an exceptionally rare variety of sodalite, is known to exhibit a rare color change phenomenon known as reversible photochromism or 'tenebrescence'.

Unlike other color-change gems, this rare form of sodalite can fade in color to grayish or greenish-white when exposed to sunlight, and when placed in the dark for an extended period of time, it will revert to its original color.

Sodalite Hardness

5.5 - 6 on Mohs Scale

Sodalite Meaning

Sodalite is associated with insight, intuition, and mental clarity. It stimulates thought, enhances communication skills, and promotes inner peace and self-acceptance.

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Sodalite Rough Stones
Rough Sodalite Gemstones

Blue Agate

Natural Blue Agate Gemstones
Blue Agate Gemstones

Agate is a layered form of chalcedony quartz. It is known to occur in a wide variety of colors and interesting patterns, including many shades of light to dark blue. Some popular trade names used for blue agate include blue lace agate, Mohave blue agate and blue banded agate.

Many agates today may have been dyed, but unlike many other gem types, the dyeing of agate does not normally affect its value. However, any such treatment should always be disclosed by gemstone traders. Agate has excellent hardness and durability, making it one of the most versatile blue gemstones today.

Agate Hardness

6.5 - 7 on Mohs Scale

Agate Meaning

Blue Agate is often associated with calmness, harmony, and inner stability. It promotes self-confidence, fosters courage, and provides a sense of grounding.

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Blue Agate Rough Stones
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Blue Gemstones Chart

Click on any gemstone name to see images and details

Gemstone Hardness Refractive Index
Blue Sapphire 9 1.762 - 1.778
Blue Star Sapphire 9 1.762 - 1.778
Blue Topaz 8 1.609 - 1.643
Blue Tourmaline 7 - 7.5 1.614 - 1.666
Tanzanite 6.5 - 7 1.691 - 1.7
Aquamarine 7.5 - 8 1.564 - 1.596
Blue Turquoise 5 - 6 1.61 - 1.65
Kyanite 6 - 7 1.71 - 1.734
Iolite 7 - 7.5 1.542 - 1.578
Lapis Lazuli 5 - 6 1.5 - 1.5
Blue Apatite 5 - 5 1.628 - 1.649
Larimar 4.5 - 5 1.595 - 1.645
Blue Fluorite 4 1.434
Blue Zircon 6.5 - 7.5 1.81 - 2.02
Blue Labradorite 6 - 6.5 1.559 - 1.57
Blue Azurite 3.4 - 4 1.72 - 1.848
Hemimorphite 5 1.614 - 1.636
Rainbow Moonstone 6 - 6.5 1.518 - 1.526
Blue Chrysocolla 2 - 4 1.469 - 1.57
Chalcedony 6.5 - 7 1.53 - 1.54
Blue Spinel 8 1.712 - 1.762
Blue Diamond 10 - 10 2.417 - 2.419
Dumortierite 7 - 8.5 1.678 - 1.689
Blue Jadeite 6 - 6.5 1.6 - 1.627
Blue Opal 5.5 - 6.5 1.37 - 1.52
Grandidierite 7 - 7.5 1.59 - 1.623
Blue Hawk's Eye 6.5 - 7 1.534 - 1.54
Benitoite 6 - 6.5 1.75 - 1.80
Lazulite 5.5 - 6 1.637 - 1.663
Blue Akoya Pearl 2.5 - 4.5 1.52 - 1.69
Shattuckite 3.5 - 3.5 1.753 - 1.815
Blue Smithsonite 5 1.62 - 1.85
Vivianite 1.5 - 2 1.579 - 1.656
Cavansite 3 - 4 1.542 - 1.551
Sodalite 5.5 - 6 1.48
Blue Agate 6.5 - 7 1.53 - 1.54
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