Gemstone Information A-Z
Abalone Pearls; Rare Iridescent Treasures o...
Abalone pearls are extremely rare pearls that come from a marine gastropod and often exhibit beautiful, iridescent blue and green colors, like their attractive sh...
About Agate Stone
Agate is a form of chalcedony quartz that forms in concentric layers in a remarkable variety of colors and textures.
About Amblygonite Gemstones
Amblygonite is a common mineral but a rare gemstone, since transparent specimens are unusual
Actinolite Cats Eye Gemstone Information
Actinolite cat's eye information; history, origin & sources: Actinolite gemological properties identification, mythology, cleaning care. Buy actinolite online.
Agate Geode Information - A dull rock burst...
It takes a skilled eye to spot an agate geode. Egg-shaped bumpy rocks, lying in river beds or desert floors, might look ordinary until they are cracked open.
Agate Information - A gemstone in an array ...
Stripes, swirls, bands, iridescent colors and tree-like inclusions are just some of the attractions found in this fascinating gemstone and it doesn’t end there. D...
Agatized Fossil Coral - A captivating gemst...
Ancient coral reefs, covered in sediment as oceans fell, turned into rock over millions of years capturing the delicate patterns forever in a unique gemstone.
Alexandrite Gemstone Information
Alexandrite Gemstone Info: About alexandrite value, origin, sources, crystal healing power, mythology, and how to identify and care for alexandrite gems, rings an...
All About Garnets - More than just January'...
So often thought of by many as simply red, this unique gemstone has in fact two of the rarest and most valuable green specimens in its wide ranging family.
Almandine Garnet Information - A deep red l...
This red gem is January's birthstone, it's very durable, affordable and readily available. Often cut into cabochon or dome shapes, they make attractive jewelry.
Amazonite Information - A blue green gemsto...
The soothing shades of green and blue in this gem reflect the hues of the Amazon River and Jungle it was named after. No wonder Ancient Egyptian royalty adored it.
Amber Gemstone Information
Amber Gemstone Information. Learn about amber gemstone including origin, value, rings, jewelry and care. Amber is an organic gem often cut as cabochons
Amethyst Information - The finest purple co...
Amethyst is the most valuable and popular quartz and, with its range of deep purple colors, arguably, it is the most beautiful quartz out there.
Ametrine from Bolivia
Natural ametrine comes almost entirely from one location, the Anahi mine in Bolivia. New cutting styles are making this unique gem even more popular.
Ametrine Gemstones Information
Ametrine Gemstone Information: Bicolor ametrine gem value, sources & crystal healing. Identify & care for ametrine (citrine and amethyst). Buy Ametrine Gemstone
Ammolite Gemstones - A rare rainbow of colo...
This iridescent gemstone formed over millions of years from the shells of prehistoric sea creatures into a rainbow of flashing colors and beguiling patterns.
Andalusite Gemstone Information
Andalusite gemstone information; history, origin, sources & value. Learn gemological properties, identification, mythology, cleaning & jewelry care. Buy andalusit...
Andesine Labradorite Gemstone Information
Andesine Labradorite Information: Andesine origins, history, value, gemological properties & crystal powers and meanings - learn how to clean, identify & buy ande...
Apatite Gemstone Information - An obscure g...
You may not know the name Apatite yet, but you will. This gemstone is found in eye-catching neon or electric blue as well as sumptuous yellows, greens and violets.
Apatite Gemstones - They are a lot more com...
Large, clear, stunning apatite gemstones are so rare you may not have seen one before but the mineral it is made of is everywhere - even in your teeth and bones.
Aquamarine Information - Get the facts, fig...
A drop of the ocean captured in a gemstone. Find out all there is to know about Aquamarine, how to get the best value, what is the right cut, what spiritual mean...
Aventurine is used for several kinds of gemstones which bear a resemblance to aventurine glass from Italy.
Aventurine Gemstone Information
Aventurine Gemstone Information: Aventurine quartz value, gemological properties, crystal meanings; buying, identifying & caring for aventurine
Axinite is a gem notable for its strong vitreous luster and its unusual crystal structure
Axinite Gemstone Information
Axinite Gemstone Information. Axinite value, origin, gemological properties, crystal meanings. How to clean, identify axinite gems at GemSelect.
Azotic Topaz Information - The Rainbow Topaz
Azotic is a trade name for topaz gemstone that is enhanced with a fine coating that reflects light in a rainbow of colors and interesting patterns.
Azurite Gemstone Information
Azurite Gemstone Information: Azurite sources, origin and blue azure color. Learn about azurite gemology, crystal powers, and how to identify and care for azurite...
Beryl Family - The Royal family of the gem ...
A fascinating family of rare gemstones, cousins distinguished by color, green for emerald, blue for aquamarine, yellow for golden beryl, pink for morganite and th...
Bixbite: Red Beryl
Also known as red emerald, bixbite is a very rare gemstone found only in the Wah Wah mountains of Utah
Black Opal Gemstone Information
Black Opal Gemstone Information: Black Opal value, gemological properties, crystal meanings; buying, identify & caring for black opal
Black Tourmaline - Stand out from the crowd
Although tourmaline gemstones are known for their array of colors, the most common type found in nature is black. Perhaps the most easily available, high quality ...
Bloodstone Gemstone Information
Bloodstone Gemstone Information: Heliotrope value, gemological properties, crystal meanings; buying, identify & caring for bloodstone gems & jewelry: GemSelect
Bloodstone Gemstones - A green stone that i...
Legend has it that this unusual opaque gemstone was flecked with the blood of Christ during his crucifiction and has since been known as "the martyr's stone"
Blue Topaz Gems: Learn About Blue Topaz Gem...
Blue topaz is one of the most popular colored gemstones. There are many trade names for the different shades of blue, including Swiss blue, London blue and Sky bl...
Boleite Gemstones - A collector's dream fro...
If you are looking for the strange or unusual, look no further than this rare mineral with a fascinating crystal make up. More like a chemistry project than a gem...
The botryoidal crystal habit is interesting both for its unique shape, and the fact that is commonly adopted by a number of quite different minerals
Boulder Opal Gemstones – Australia's except...
A distinctive play-of-color embedded in a shadowy background makes these gemstones a rarely found and curious piece of nature’s handiwork. Read on.
Calcite Gemstone Information
Calcite Gemstone Information: Calcite gem value, origin, gemological properties, crystal meanings. Learn how to clean, identify & buy calcite gems - GemSelect
Calcite, though somewhat soft, is popular with gem and mineral collectors for its luster and interesting colors
Carnelian Information - An orange gemstone ...
Revered for centuries by every civilization since the Ancient Egyptians, this reddish colored gemstone has been praised for its beauty and deep spiritual strength.
Cassiterite Natural Gemstone Information
Cassiterite Gemstone Information: Cassiterite value, gemological properties, crystal meanings. How to clean & identify cassiterite gems
Cat's Eye Aquamarine Info - A true phenomen...
Cat's eyes are an unusual occurrence in the world of gemstones and these are a rare beauty indeed conjuring up images of exotic and intelligent Siamese Cats
Cat's Eye Diaspore Gemstone Information
Cat's Eye Diaspore Gemstone Information: Cat's Eye value, gemological properties, crystal meanings. How to clean & identify diaspore gems & jewelry: GemSelect
Cat's Eye Gemstone - A rare optical effect ...
Light reflected by fibers or cracks within a gemstone can make them resemble the slit eye of a cat, a phenomenon known as chatoyancy. Most famous are exotic Tiger...
Cat's Eye Moonstone Gemstone Information
Cat's Eye Moonstone Gemstone Information: Cat's Eye value, gemological properties, crystal meanings. How to clean & identify moonstone gems & jewelry: GemSelect
Cat's Eye Scapolite Gemstone Information
Cat's Eye Scapolite Gemstone Information: Cat's Eye value, gemological properties, crystal meanings. How to clean & identify scapolite gems & jewelry: GemSelect
Cat's Eye Tourmaline Gemstone Information
Cat's Eye Tourmaline Gemstone Information: Cat's eye value, gemological properties, crystal meanings. How to clean & identify tourmaline gems
Cat’s Eye Apatite Gemstones - A unique refl...
Only a handful of gemstones display this unusual effect where internal flaws cause the appearance of a fine slit in the gem uncannily resembling the eye of a cat.
Chalcedony Gemstone Information
Chalcedony Quartz Gemstone Information: Blue to lavender chalcedony is a variety of quartz with a waxy luster. Learn how to care and buy chalcedony gems
Chalcedony is used to refer to all types of cryptocrystalline quartz, but also to refer specifically to the blue or lavender variety.
Charoite Information - Gorgeous purple gems...
Feather-like swirls of white and dabs of color play on lavender, violet and purple backgrounds in this lustrous gemstone found in the frozen mountains of Russia
Chinese Chicken's Blood Stone
Chicken's blood stone, also known as Changhua stone or Balinyouqi stone is a rock that has a bright red color. It is often carved into ornaments, such as seals.
Chocolate Opal Gemstones - Tempting enough...
This unusual translucent or opaque opal has a waxy luster over a smoky chocolate background upon which the best gemstones display a gorgeous play-of-color.
All the choices in rich green gemstones are expensive: emerald, tsavorite and chrome tourmaline. But chrome diopside is changing the market for fine green gems.
Chrome Diopside Gemstone Information
Chrome Diopside Gemstone Information: Chrome green, forest green diopside is similar in color to tsavorite garnet, emerald and chrome tourmaline. Learn about chro...
Chrome Tourmaline Information - an extremel...
Naturally occurring green gemstones are very rare but the Chrome tourmaline with its deep forest green and ability to change color depending the viewing angle mak...
Chrysoberyl Cat's Eye Gemstone Information
Chrysoberyl Cat's Eye Gemstone Information: Cat's eye value, gemological properties, crystal meanings. How to clean & identify chrysoberyl gems
Chrysoberyl Gemstone Information
Chrysoberyl Gemstone & Jewelry Information: Chrysoberyl gemstones include cat's eye & color change alexandrite. Learn about value, gemological properties & crysta...
Chrysoberyl Gemstones - Why are they so una...
Chrysoberyl has a hardness, brilliance and luster just a fraction behind illustrious ruby and sapphire and are a delightfully subtle greenish-yellow color.
Chrysocolla is one of the copper-bearing gems, and is often found mixed with malachite, azurite, turquoise or quartz.
Chrysocolla Gemstone Information
Chrysocolla Gemstone Information: Chrysocolla gemstone value, gemological properties, crystal meanings. How to clean & identify Chrysocolla gems
Chrysolite was the name used in the ancient world for many gold and greenish-yellow gemstones, especially peridot, learn more about chrysolite gemstones
Chrysoprase Gemstone Information
Chrysoprase Gemstone Information: Chrysoprase gemstone value, gemological properties, crystal meanings. How to clean & identify Chrysoprase gems
Citrine Information - The most popular yell...
The colors of Citrine Quartz range from light straw to earthy brown with sumptuous oranges in between and are so evocative of autumn that it is no wonder that it ...
Citrine Properties - The golden gem that ra...
Citrine quartz and other yellow gemstones have been celebrated for centuries for their spiritual healing properties. Discover the mysterious powers of this ancien...
Clinohumite Gemstone Information
Clinohumite Gem and Mineral Info, learn about clinohumite gemstone sources, origin and gemological properties. Read about clinohumite's many metaphysical alternat...
Color Change Diaspore Gemstone Information
Color Change Diaspore Gemstone Information: Zultanite and Csarite are popular trade names for color change diaspore. Learn about diaspore origin, value, and more.
Color Change Garnet Information - they swap...
These rare gemstones will switch from one color to another in an instant when taken from sunlight to electric light and even candle light. An amazing phenomenon.
Color Change Sapphire - An exceptionally ra...
These unique gemstones can change color dramatically when viewed under different light sources but how does it happen? Discover the how, what and why here.
Conch Pearls, The Flamed Pink Queens
Conch pearls are extremely rare pearls that come from marine gastropods, like the queen conch, are often oval and pink with a porcelain-type luster or flamed pattern
Coral Gemstone Information
Precious Coral Gemstone Information: Coral gems are very rare & highly sought-after; learn about natural precious coral & agatized fossil coral sources, origin & ...
Cultured Pearl Info
Cultured pearls are produced by mollusks, helped along by humans. Both freshwater and saltwater species are produced
Danburite Gemstone Information
Danburite Gemstone Information, Learn about rare white danburite gemstones and gemology: sources, origin & value, and the metaphysical & crystal healing meanings ...
Danburite is a colorless to light pink, yellow or brown gemstone first discovered in Danbury, Connecticut
Demantoid Garnet Gems
Demantoid is the rarest and most valuable of all the garnets, and is one of the rarest of all colored gemstones.
Demantoid Garnet Information - brilliant gr...
Mined in the Urals, Demantoid is Garnet's rarest and priciest variety, a rich deep green with a dazzling luster and on occasion distinctive horsehair inclusions
Dendritic Agate - Trees and branches trappe...
Traces of minerals that have seeped into this gemstone's structure have created tree- or fern-like patterns just below the surface of this fascinating stone.
Dendritic Agate Gemstone Information
Dendritic Agate Gem Information, learn all about dendritic agate gemstones, sources, origin and value. Read about the metaphysical and crystal healing powers of d...
Diamonds Gemstone Information
Diamond Gem Information: Learn about fancy color & white diamond gemstone value, sources & history. Read about metaphysical crystal healing & how to care for diam...
Dumortierite Quartz Gems
Quartz intergrown with the mineral dumortierite is a vivid blue or violet blue, and is often used as a gemstone or for carving
Dumortierite Quartz Gemstone Information
Dumortierite Quartz Gem Info: Learn about blue dumortierite quartz value, sources & properties. Learn metaphysical crystal healing & how to care for dumortierite ...
Emerald Information - Vivid green gemstones...
What is it about an emerald that has made it admired and desired for centuries? What is the secret behind its allure? Discover the history, facts and legends of ...
Enstatite Gemstone Information
Learn about enstatite gemstones; history & origin, how to identify enstatite, gemological properties, related gems, enstatite mythology; how to care for enstatite...
Epidote Gemstone Information
Epidote Gemstone Info: Learn about epidote gems, epidote gemology, identification, origin, metaphysical properties & how to care for epidote gems.
Feldspar Gemstone Info
Feldspar is the most abundant mineral in the world, and includes gem varieties such as moonstone and andesine.
Fire Agate Gemstone Information
Fire Agate Gemstone Information: Learn about fire agate history, gemology & identifying; buying fire agate gems & about metaphysical crystal healing
Fire Opal Gemstone - A Mexican sunset captu...
This gemstone is unlike most opals as it is often facet cut and just a single color but discover facts behind the exceptional colors and distinctive luster here.
Fluorite Gemstone Information
Fluorite Gemstone & Mineral Information: Learn About Fluorite Origin, Sources, Gemstone Value & Properties; Fluorite Varieties, Metaphysical Crystal Healing & Car...
Fluorite: The Collector's Stone
Fluorite is very popular with collectors, due to its wide range of colors. But fluorite also has some fascinating properties and some useful practical applications.
Fossil Coral Gemstone Information
Fossil Coral Gemstone Information: Learn about agatized fossil coral quartz gem sources, origin, value & gemological properties. Learn how to identify & buy fossi...
Garnet Information - Much more to it than f...
Charming reds at affordable prices, deep vivid greens to rival emeralds, color-changes from red to blue, oranges like sunsets, this unique gemstone has the lot.
Gaspeite Gemstone Information
Gaspeite Gemstone & Mineral Information: About green gaspeite value, sources, gemological properties & metaphysical crystal healing meanings; Learn about gaspeite...
Gemstone Names - How did those gemstones ge...
Investigate the origins and meanings behind the fascinating and often bizarre names given to the precious stones we love and desire. All the answers are here.
Gemstone Type List: Guide to Precious & Sem...
List of precious & semi-precious gemstones: With over 130 gem varieties, our gemstone index will help you find the perfect colored stone for your jewelry & crysta...
Goshenite Gemstone Information
Goshenite Gemstone Information. About goshenite, a colorless white beryl: sources, value, gemological, crystal meanings, identifying, buying & caring for beryl gems.
Goshenite is the colorless form of beryl, often cut as a gemstone due to its excellent clarity and transparency
Grandidierite Info - Fantastically Rare Sea...
On an island famous for its exotic flora and fauna, perhaps Madagascar has found something stranger than lemurs and fossas - the rarest of gemstones, Grandidierite
Grossular Garnet: Grossular Garnet Gemstones
The grossularite garnet group includes grossular, hessonite, leuco, hydrogrossular and tsavorite.
Grossularite Garnet Gemstone Information
Grossularite Garnet Info: About green grossular gemstone value, sources, gemological properties; metaphysical crystal healing & meanings; buying & caring for gros...
Hackmanite Gemstone Information
Hackmanite gem and mineral info: Learn about hackmanite gemstone origin, value, sources and properties. Learn about hackmanite tenebrescence and its many metaphys...
Hackmanite exhibits an unusual phenomenon known as reversible photochromism, where a mineral changes color when exposed to sunlight
Hambergite Gemstone Information
Hambergite Gem and Mineral Info: Learn about hambergite gemstone origin, value, sources and properties. Learn about hambergite's metaphysical abilities
Hambergite is a nearly colorless gemstone with some distinctive properties, such as a very low density and a very high double refraction
Hawk's Eye Gemstone Information
Hawk's Eye Gemstone Information: Hawk's eye is a blue gray chatoyant variety of quartz, related to tiger's eye & pietersite. Learn about rare hawk's eye gems
Hematite and Pyrite
Hematite and Pyrite are among the only gemstones which exhibit a metallic luster.
Hematite Gemstone Information
Hematite Gemstone and Mineral Information: Learn about hematite gem origin, value, sources and properties. Learn about hematite's metaphysical abilities, and iden...
Hemimorphite Gemstone Information
Hemimorphite Gemstone, Mineral and Jewelry Information: Learn about hemimorphite gemstone origins, value, sources and metaphysical properties.
Hessonite Garnet Gemstone Information
Hessonite Garnet Gemstone Info: Learn about hessonite grossularite garnet gemstone origin, value, sources and properties. Learn about buying and identifying hesso...
Hiddenite Gemstone Information
Hiddenite is a form of spodumene containing chromium, but is rare and for the most part known only to collectors. The green color varies from a yellowish to a blu...
Hornblende and Gems
Hornblende is an important mineral in the gem industry. It is mostly famous for being an impurity found in gemstones such as anyolite, ruby-zoisite, moss opal and...
Howlite Gemstone Information
Learn about howlite gemstones; history and origin, how to identify and buy howlite, gemological properties, related gems, howlite mythology, jewelry ideas and car...
Idocrase Gemstone Information
Idocrase Gem and Mineral Info: Learn about idocrase gemstone origin, value, sources and properties. Learn about idocrase's metaphysical abilities
Idocrase Vesuvianite Gemstones
Idocrase is a rare gemstone, usually found in shades of green. Transparent specimens are very rare.
Imperial Topaz Info - The Alluring Gem of t...
Sought by Russian royalty, the color of the setting sun from deep red to pale orange when tilted in the light, Imperial Topaz is fit for a King or a Czar!
Iolite Gemstone Information
Iolite Cordierite Gemstone Information: Learn about Iolite's unique color pleochroism: violet blue, yellow gray and light blue in the same stone.
Jacinth is a traditional name for orange or red zircon. Though no longer in use, it is part of the history of gemstones
Jade Gemstone Information
Learn about jade; jadeite and nephrite, history and origin, how to identify jade, gemmological properties, related gems, jade mythology and how to care for jade
Jadeite Gemstone Information
Jadeite Gemstone and Jewelry Information; Jade history and origin, how to identify jadeite, gemological properties, mythology, and caring for jadeite gems
Jasper Gemstone Information
Jasper is usually considered a chalcedony, but scientists put it in a group by itself because of its grainy structure. Learn all about Jasper here at GemSelect
Kornerupine Gemstone Information
Kornerupine, or prismatine, is a rare pleochroic collector's gemstone known to occur in variety of colors, including white, pink, yellow, brown, green and blue.
Kornerupine is a rare gemstone found in Greenland, Sri Lanka, Madagascar and Tanzania
Kunzite Gemstones - The must-have pink gem ...
If you want a pink gemstone in a large size that dazzles on your finger or sparkles around your neck but won’t break the bank, then a kunzite will be the answer t...
Kyanite Gemstone Information
Kyanite is a layered crystal with a luster that is vitreous to almost pearly, and is usually found in a sapphire-like blue.
Labradorite Gemstone Information
Learn about labradorite; history and origin, how to identify labradorite, gemological properties, related gems, labradorite mythology, jewelry ideas
Lapis Lazuli Gemstone Information
Information about lapis lazuli including variety, color, source, treatment, gemology, buyer's guide, buy lapis lazuli online at Gemselect
Lapis Lazuli: Stone of the Ancients
Lapis, the original blue gemstone of antiquity, has a long and romantic history. It has been mined continuously in Afghanistan for over 6,000 years.
Larimar Gemstone Information
Learn about Larimar; history and origin, how to identify Larimar, gemmological properties, related gems, Larimar mythology, jewellery ideas and how to care for La...
Lemon Quartz Gemstone - Capturing the dazzl...
This appealing gemstone is often confused with citrine quartz but this is not the case. How is this bright beauty created and how does it differ from citrine? Rea...
Lepidolite Gemstone Information
Learn about lepidolite; history and origin, how to identify lepidolite, gemmological properties, related gems, lepidolite mythology, jewellery ideas and how to ca...
Malachite Gemstone Information
Learn about malachite; history and origin, how to identify malachite, gemmological properties, related gems, malachite mythology, and how to care for malachite
Malaya Garnet Information - the rejected ge...
Once discarded as worthless, Malaya Garnets are now highly prized by gem collectors for their orange or peachy color with scintillating flashes of red and fire
Mali Garnet Gemstone Information
Learn about Mali garnet; history and origin, how to identify Mali garnet, gemological properties, related gems, Mali garnet mythology, jewelry ideas and how to ca...
Mali Garnet Gemstones
Mali garnet is a mixture of grossular and andradite garnets. It was first discovered in the West African nation of Mali in 1994
Marcasite and Pyrite
Pyrite and marcasite have the same chemical composition, but different structures. Only one of them can be used as a gemstone
Maw-Sit-Sit from Burma
Maw-sit-sit is one of the more unusual gemstones in the world, from its curious name to its variable chemical composition.
Maw-Sit-Sit Gemstone Information
Learn about maw-sit-sit; history and origin, how to identify maw-sit-sit, gemological properties, related gems, maw-sit-sit mythology, and how to care for maw-sit...
Melanite Gemstone Information
Learn about melanite; history and origin, how to identify melanite, gemmological properties, related gems, melanite mythology, and how to care for melanite
Mexican Fire Opals - Evoking sunsets in des...
This fiery orange and yellow gemstone which is unusual for an opal in its color, clarity and cut is mostly found in the arid hinterlands of Mexico.
Moldavite and Tektite
Moldavite is a green to brown form of natural glass resulting from meteorite impact. It is a rare mineral often used as a gemstone
Moldavite Gemstone Information
Learn about moldavite; history and origin, how to identify moldavite, gemmological properties, related gems, moldavite mythology, and how to care for moldavite
Moonstone is one of the most abundant and affordable of the gemstones with unique optical properties.
Moonstone Gemstone Information
Moonstone Gem Information: Moonstone sources, origin, gemological properties and value. Read about varieties and crystal powers of moonstone gems
Morganite Gemstone Information
Morganite Gemstone Information: Pink beryl history, origin, mythology and jewelry ideas. Identifying gemological properties & caring for morganite gems
Moss Opal Gemstones - Intriguing branch-lik...
Patterns resembling silhouettes of leaves, stems or branches of a plant on a milky background with a glassy surface make this a very captivating gemstone.
Mother of Pearl Gemstone Information
Mother-of-pearl is a gemstone formed by the nacreous inner shell coating of pearl-producing mollusks, it has an attractive pearly luster and beautiful iridescence
Mother-of-pearl is a gem made of the nacre that coats the inside of mollusk shells, its pearly luster and iridescence makes it ideal for jewelry use, such as cameos
Muscovite and Fuchsite
Muscovite is a mica that is found in many types of rocks. The green chromium-rich variety is known as fuchsite
Mystic Quartz Gemstone Information
Learn about mystic quartz and the high-tech film disposition enhancement applied to colorless quartz and topaz to created Mystic Gems and Azotic quartz and topaz ...
Mystic Topaz Information - A kaleidoscope o...
A fine coating of titanium applied to a topaz gemstone of fine clarity and sparkle will produce the kaleidoscope of colors known as the Mystic Topaz, a truly eye-...
Carnelian, one of the oldest known gemstones, is a brownish red to red-orange variety of chalcedony or cryptocrystalline quartz.
Nephrite Jade Gemstone Information
Learn about nephrite jade; history and origin, how to identify nephrite jade, gemmological properties, related gems, nephrite jade mythology, and how to care for ...
Nuummite Gemstone Information
Learn about Nuummite; history and origin, how to identify Nuummite, gemmological properties, related gems, Nuummite mythology, and how to care for Nuummite
Obsidian Gemstone Information
Learn about obsidian; history and origin, how to identify obsidian, gemmological properties, related gems, obsidian mythology, and how to care for obsidian
Obsidian Volcanic Glass
Obsidian is the only natural gemstone which is actually glass, formed from lava that cools without crystal growth
Omphacite Jade Gemstone Information
Omphacite jade is a variety of jade that is composed of omphacite and jadeite. It is similar to other jade varieties such as jade-albite and maw-sit-sit
Onyx Gemstone Info - This quartz is not jus...
Onyx is a multilayered black and white gemstone traditionally carved and engraved but with modern treatments and substitutes do you know what you are buying?
Onyx Gemstone Information
Learn about onyx; history and origin, how to identify onyx, gemmological properties, related gems, onyx mythology, jewellery ideas and how to care for onyx
Opal Information - More to it than a dazzli...
Discover more about this fascinating gem of many colors. Where it comes from, how it gets its colors, how much one costs and why you need to buy one
Opal: Fire of the Desert - Vivid splashes o...
Look into why this dazzling gemstone was proclaimed Australia’s national gemstone and how its history is interwoven with the country's narrative and culture.
Orthoclase Gemstone Information
All about orthoclase, a transparent yellow feldspar resembling citrine quartz or yellow beryl, found primarily in Madagascar.
Paste is the term used to denote gemstones created from cut glass. The art of paste jewelry reached its peak in the 18th century
Pectolite Gemstone Information
Learn about pectolite; history and origin, how to identify pectolite, gemological properties, related gems, pectolite mythology, and how to care for pectolite
Peridot Gemstone Information
Peridot Gemstone Information: Peridot, sometimes referred to as olivine, is idiochromatic and as a result, is found only in green color.
Pietersite is a breccia aggregate of hawks eye and tigers eye, with swirling colors of blue, rusty red, gold and brown
Pietersite Information - Deep dark colored ...
Swirls of orange, red and gold decorate a dark blue background on this intriguing gemstone which shines silkily when polished. Discover more about this quartz.
Precious Beryl Info - There is more to prec...
Get everything you need to know about one of the most important gemstone groups which include valuable green emeralds, blue aquamarines, red beryls, and goshenite...
Prehnite Gemstone Information
Learn about prehnite; history and origin, how to identify prehnite, gemological properties, related gems, prehnite mythology, and how to care for prehnite
Prehnite was the first mineral named after an individual. New deposits of this intriguing gem are making it more widely available.
Pyrope Garnet Information - A gemstone of f...
This is the classic garnet gem, a red to rival the ruby and used for centuries in decorations and ceremonies. Versatile and affordable, perfect for any jewelry.
Quartz Info - Enviable durability in an arr...
Versatile quartz has been sought after for centuries and used for jewelry and spiritual health by nearly every culture. New sources have made these crystals readi...
Rainbow Moonstone Gemstone Information
Learn about rainbow moonstone; history and origin, how to identify rainbow moonstone, gemmological properties, related gems, rainbow moonstone mythology, jeweller...
Rainbow Pyrite Gemstone Information
Learn about rainbow pyrite; history and origin, how to identify rainbow pyrite, gemmological properties, related gems, rainbow pyrite mythology, jewellery ideas a...
Rainbow Scapolite Gemstones
Rainbow scapolite is a trade name for scapolite gems containing iridescent inclusions, these gems are often cut en cabochon and can display the full spectrum of c...
Rare Alexandrite Gems
Alexandrite, a color-change chrysoberyl, is one of the rarest of all colored gemstones.
Ammolite is the fossilized shell of ammonites, which are composed primarily of aragonite, the same mineral that makes up nacreous pearls
Rare Chrome Tourmaline
Chrome tourmaline is a distinct variety of tourmaline, colored by chromium and vanadium.
Rare Chrysoberyl Cat's Eye
Chrysoberyl cat's eye is a rare and exotic gemstone, combining excellent hardness with an especially vivid cat's eye effect.
Chrysoprase is considered the rarest and most valuable gemstone in the chalcedony quartz group.
Rare Fire Agate - An iridescent play of col...
A shimmering lustrous rainbow of colors dance on the surface of this elusive quartz mined in the deserts of Southwestern USA and Mexico. Discover more here.
Rare Garnets: Tsavorite, Spessartite and Rh...
The popular image of garnet is that of an inexpensive dark red gem. But there are some rarer varieties -- tsavorite, spessartite and rhodolite -- that have stunni...
Rare Sillimanite Gems
Sillimanite is a rare collector's gemstone that is colorless, grayish-white, green, bluish or brownish hues. Transparent, faceted sillimanite gems are extremely rare
Natural spinel is rare and can be difficult to find. The traditional source of the best spinel is Burma, but African spinel is starting to make the gem more avail...
Rare Tourmaline Gemstones - Unique and dist...
These rare tourmalines have it all, a dazzling range of colors in depths to challenge the finest gems, two or three colors in one crystal, the ability to change c...
Cinnabar, a mercury sulphide that is usually a vivid red, has some unique gemological properties
Rhodochrosite is a manganese carbonate with an attractive soft pink color and interesting variegated markings.
Rhodochrosite Gemstone Information
Learn about rhodochrosite; history and origin, how to identify rhodochrosite, gemmological properties, related gems, rhodochrosite mythology, jewellery ideas and ...
Rhodolite Garnet Information - An elegant r...
Rhodolite garnets get their name from a Greek word meaning rose-colored and when you see these purplish pink to raspberry red beauties you’ll understand why.
Rhodonite Gemstone Information
Learn about rhodonite; history and origin, how to identify rhodonite, gemmological properties, related gems, rhodonite mythology, jewellery ideas and how to care ...
Rhodonite is a rose pink to red gemstone with black dendritic inclusions of manganese oxide
Rose Quartz Gemstone and Jewelry Informatio...
Pink Rose Quartz Information. Soft milky pink rose quartz is unique in the gems world. It is associated with love and healing. Read about Rose Quartz Gems & Jewel...
Rubellite is a pink to red variety of tourmaline, though there are different opinons about exactly what defines rubellite gems, some say it is red and others say ...
Ruby in Fuchsite Information
Ruby-in-fuchsite is a colorful gemstone composed of ruby (corundum) and fuchsite, sometimes confused for ruby-in-zoisite because of its green and red contrasting ...
Ruby Information - The gemstone of passion ...
Our ancestors saw red as the color of fire and blood. Rubies captured these primal elements within and have captivated and beguiled us all since history began.
The vast ruby deposits at Longido in Tanzania are the world's source for anyolite or ruby-zoisite.
Ruby-Zoisite Information - A unique gemston...
An unusual but natural combination of ruby and zoisite crystals in one creating a distinctive red and green stone in large pieces ideal for fancy cutting.
Rutilated Topaz - Beguiling Gemstone with u...
Rutilated or Rutile Topaz is usually a colorless gemstone with golden thread-like inclusions resembling fibers, hair or straw. No two crystals are alike.
Rutile Topaz Gemstone Information
Learn about rutile topaz; history and origin, how to identify rutile topaz, gemmological properties, related gems, rutile topaz mythology, jewellery ideas and how...
Sapphire Information - The heavenly blue ge...
Worn by kings, queens, shahs, maharajas and most famously by princesses this gemstone is virtually unequaled in beauty, allure and value. Why should you own one?
Sard and Sardonyx Gemstones - Let's clear u...
Sard is a reddish gemstone similar to carnelian and sardonyx is a reddish banded gemstone similar to onyx, they are quartz but are they agate or chalcedony?
Scapolite Gemstone Information
Scapolite gemstone information: Learn about scapolite sources, origin, gemmological properties and value. Read about the metaphysical crystal powers of scapolite ...
Scapolite is not well known, but makes an attractive gemstone. The cat's eye variety is rare and valuable.
Selenite Gemstones - Massive Crystals and C...
Selenite is a transparent and colorless form of crystalline gypsum. Some extraordinarily large crystals have been found in Mexico
Semi Precious Turquoise
Semi precious gems including turquoise have been mined, cut, worn and treasured by cultures all over the world for centuries
Seraphinite Gemstone Information
Learn about seraphinite; history and origin, how to identify seraphinite, gemmological properties, related gems, seraphinite mythology, jewellery ideas and how to...
Serpentine Gemstone Information
Learn about serpentine; history and origin, how to identify serpentine, gemmological properties, related gems, serpentine mythology, jewellery ideas and how to ca...
Sillimanite Gemstone Information
Sillimanite is an extremely rare collector's gem and polymorph of kyanite and andalusite, which is more often seen as cat's eye sillimanite than as faceted sillim...
Sillimanite is an aluminum silicate, related to both andalusite and kyanite. Cat's eye specimens make lovely rings.
Smithsonite Gemstone Information
Learn about smithsonite; history and origin, how to identify smithsonite, gemmological properties, related gems, smithsonite mythology, jewellery ideas and how to...
Smithsonite is one of two zinc-containing minerals discovered by the British mineralogist James Smithson. The other is hemimorphite
Smoky Quartz and Smoky Topaz: Learn About S...
Smoky quartz is sometimes sold under the misleading name of smoky topaz. Smoky topaz is not an official gemstone type because there is no such gemstone. Learn mor...
Sodalite Gemstone Information
Sodalite Gemstone and Jewelry Information; Learn about sodalite sources, gemological properties, mythology and more. Buying, cleaning and caring for Sodalite gems...
Spectrolite Labradorite Gemstones
Spectrolite is a rare variety of labradorite with an iridescence that displays a full spectrum of colors
Spessartite Garnet Information - Deep orang...
This intense yellow-orange to red-orange member of the garnet family captures the beauty of the trees in the countryside during the fall season to perfection.
Sphalerite has fire or dispersion greater than diamond, but gem-quality specimens are rare.
Sphalerite Gemstone Information
Learn about sphalerite; history and origin, how to identify sphalerite, gemmological properties, related gems, sphalerite mythology, jewellery ideas and how to ca...
Sphene is one of very few gemstones with an adamantine or diamond-like luster. Sphene's dispersion or fire even exceeds diamond.
Sphene Gemstone Information
Sphene Gemstone Information:, Brilliant yellowish to golden green sphene exhibits high luster and intensive fire. Learn about Sphene gems and jewelry at GemSelect.
Spinel Gemstone Information
Spinel Gemstone Information: Spinel gems have excellent hardness, clarity and value. Spinel is one of the best jewelry gemstones. Learn about spinel gems and jewe...
Spodumene Gemstone Information
All about spodumene, a rock-forming mineral in granite and pegmatite that bears other lithium minerals.
Star Garnet Information - Take a look at th...
The rutile inclusions within this garnet have to line up just right in order to create the 4 or 6 rayed stars that display so wondrously on this reddish purple st...
Star sapphire and star ruby are examples of gems that exhibit asterism or the star effect. Learn why some gemstones exhbit this rare phenomenon.
Star Moonstone Gemstone Information
Star Moonstone Gem Information: Learn about star moonstone sources, origin, gemological properties and value. Read about the many metaphysical and crystal powers ...
Star Ruby Gemstone Information
All about Star Ruby, a ruby which displays asterism, a six-rayed star that shimmers over the surface of the stone when it is moved.
Star Sapphire Gemstone Information
All about Star Sapphire, a sapphire which contains unusual tiny needle-like inclusions. Aligned needles that intersect each other at varying angles produce a phen...
Quartz with red inclusions of iron oxide is rare, and is often sold under the name strawberry quartz or red fire quartz.
Sugilite Gemstone Information
Learn about sugilite; history and origin, how to identify sugilite, gemmological properties, related gems, sugilite mythology, jewellery ideas and how to care for...
Sunstone Gemstone Information
Learn about sunstone history and origin, how to identify sunstone, gemological properties, related gems, sunstone mythology, jewelry ideas and how to care for sun...
Sunstone: History of Sunstone, Feldspar Gem...
Sunstone, or aventurine feldspar, is a unique gemstone sought-after for its spangled appearance caused by hematite inclusions. Learn about popular sunstone gems a...
Tanzanite Information - Africa's wonder ris...
This vivid purple blue sensation was born in the fires that help create Africa's dramatic landscape. Learn how it rose from the embers to conquer the world of gems.
Tanzanite Prices - Limited supplies of this...
This vivid blue gemstone is a recent discovery and has taken the gem world by storm. How has supply, marketing and legend affected the price? Read on.
Tashmarine Diopside Gemstone Information
Tashmarine is the interesting trade name for a rare green diopside gemstone colored by iron. It is one the most important gemstone discoveries of the 21st century.
The Mystery of Andesine-Labradorite
An attractive red feldspar called andesine has attracted a lot of attention in the gems world. What is really known about andesine?
Tiger's Eye Gemstone Information
Tiger's Eye Gemstone Information: Tiger's eye is an opaque, chatoyant quartz, closely related to hawk's eye and pietersite. Learn about tiger's eye quartz gems an...
Topaz Gemstone Information – Take a look be...
Although Topaz is mostly associated with blue these days it actually comes in a wide range of attractive colors with the sunset orange variety, Imperial Topaz, th...
Tourmaline Information - The most colorful ...
Tourmaline is a gemstone full of energy, color and life. A versatile gem that can be adapted for any occasion, colorful and fun or sophisticated and refined, get ...
Tsavorite Garnet Gemstone Information
Tsavorite Garnet Gemstone Information: Learn about green grossular Tsavorite garnet, found in only place in the world; Fine tsavorite gems and Jewelry: GemSelect
Turquoise Gemstone Information
Turquoise is one of the most popular green blue jewelry gemstones today. Natural turquoise is rare, but still affordable and highly sought-after for silver jewelr...
Andalusite has a such distinctive combination of colors and such pronounced pleochroism that it is rarely mistaken for any other gem.
Variscite Gemstone Information
Learn about variscite; history and origin, how to identify variscite, gemmological properties, related gems, variscite mythology, jewellery ideas and how to care ...
Variscite is a green phosphate mineral that is used as a gemstone and for carvings. Notable deposits are found in Utah
Verdite Gemstone Information
Verdite is a translucent to opaque collector's gem, typically light to dark green in color. As a member of the mica group, it is closely related to fuchsite.
What's Special about Spessartite?
Spessartite is no ordinary garnet. With its striking mandarin orange color and its high refractive index, it is one of the finest gems in today's market.
World of Quartz – Much more than Amethyst a...
Tiger's Eye, Onyx, Jasper, names to fire your imagination. Discover the wide world of quartz in this article which reveals the colorful characters that live there.
Zircon Information - A gemstone as old as t...
An underrated gemstone, the zircon has an almost unmatched brilliance and incredible 'sparkle' due to its high refractive index. Double the refraction means doub...
Zircon Stone - Excellent Gemstones
Zircon is an important jewelry stone, recognized for its exceptional brilliance and fire.
Zoisite was first discovered in Austria in 1805. Three gemstone varieties are known: tanzanite, thulite and anyolite (or ruby-zoisite).
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All Gemstones (144)
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Size and Weight
Gems are always measured in Millimeter (mm)
Dimensions are given as;
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Note: 1ct = 0.2g