Aquamarine Gemstone Information
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About Aquamarine - History and Introduction
Aquamarine is a blue to green-blue gem-quality variety of beryl. The beryl group of gemstones is most famous for chromium-rich green emerald, one of the 'precious four' gems (diamond, sapphire and ruby are the remaining three). Aquamarine is an official birthstone for those born in March. Aquamarine is exceptionally hard and has an outstanding vitreous glass-like luster. It is most famous for its breathtaking sea-blue colors which can range from pale light blue to medium-dark blue. The name 'aquamarine' was derived from an old Latin expression which meant 'seawater'.
Aquamarine and emerald belong to the same family, but they are surprisingly different. Aquamarine and emerald are both beryllium aluminum silicates, but emerald is colored by trace amounts of chromium (and sometimes vanadium), while aquamarine obtains its color from iron impurities within colorless beryl (goshenite). Aquamarine and emerald have essentially the same specific gravity and refractive index, but emerald tends to be hazy and full of inclusions, while aquamarine is known to occur with excellent transparency and clarity.
Identifying Aquamarine Back to Top
Aquamarine, and other types of beryl are quite durable and hard, ranging from 7.5 to 8 on the Mohs scale of mineral hardness. A dark and deeply saturated blue is the most desirable and valuable aquamarine color. Other varieties of beryl include morganite, goshenite, golden beryl (heliodor), green beryl and bixbite. Aquamarine can typically be identified by its unique sea-blue colors. It is rather hard and has a vitreous luster. Aquamarine stones have excellent clarity and transparency compared to many other similar gems. The intensity of color and the clarity of the stone are the most important criteria when evaluating aquamarine, followed closely by quality of cut. Aquamarine is colored by trace amounts of iron and testing of composition, trace elements and its six-sided crystal structure can easily distinguish it from other blue-green stones.
Aquamarine Origin and Gemstone Sources Back to Top
The leading producer of aquamarine is Brazil, with many mines spread throughout the country. Other deposits of aquamarine are sourced from Australia, Myanmar (Burma), China, India, Kenya, Madagascar, Mozambique, Namibia, Nigeria, Pakistan, Zambia and Zimbabwe, as well as in several U.S. locations. Karur, India recently has become one of the biggest suppliers of aquamarine.
Buying Aquamarine and Determining Aquamarine Gemstone Value Back to Top
Aquamarine Gemological Properties: Back to Top
Please refer to our Gemstone Glossary for details on gemology-related terms.
Aquamarine: Varieties or Similar Gemstones:Back to Top
Aquamarine belongs to the beryl group of minerals. There are quite a few different gemstone-quality varieties of beryl, most of which are classified based on color and coloring agents, such as green emerald. Aquamarine also occurs with chatoyancy (cat's eye aquamarine and asterism (star aquamarine), which are extremely rare and very valuable. Other gems that can closely resemble aquamarine include Larimar, amazonite, tourmaline, sapphire and spinel.
Aquamarine Gemstone Mythology, Metaphysical and Alternative Crystal Healing Powers Back to Top
According to legend, aquamarine originated in the treasure chest of fabulous mermaids, and has since ancient times, been regarded as 'the sailor's lucky stone'. Aquamarine derives its name from the Latin term for seawater and has a long tradition of being a stone for those who spend much of their time at sea. The Greeks and the Romans knew aquamarine as the sailor's gem too, believing that it ensured a safe and prosperous passage across stormy seas. Legend has it that aquamarines were the prized possessions of many mermaids and would thus protect sailors from the dangers of sea, including warding off sea-sickness.
In Antiquity, as well as in the Middle Ages people believed that the cosmos is reflected in gemstones. It is no surprise that aquamarine is assigned to the planet Neptune and is also one of March's official birthstones. The esoteric movement revived the ancient belief and the gem industry made it another marketing tool to promote certain gems.
The healing powers of gems remains a controversial issue, but has been mentioned for centuries by healers, shamans and medicine men. Whether it's factual or a placebo effect, it truly doesn't matter as long as it helps people who need it. The best approach is to wear the gemstone in contact with the skin, especially close to the injured or troubled part of the body. Aquamarine is said to be of help for arthritis, eye inflammation, sore throat and varicose veins.
Aquamarine Gemstone and Jewelry Design Ideas Back to Top
Aquamarine is a decorative gem that complements almost any skin or eye color, which makes it an all-time favorite for women the world over. It is a popular gem, that is easy to wear, readily available, moderately priced, and steadily growing in popularity and demand. Aquamarine possesses a durable hardness, which qualifies it for any type of jewelry application, including wearing in aquamarine ring designs. Emerald, the sister stone of aquamarine, is usually oiled to fill fractures and improve color, but aquamarine requires no special treatment and is suitable for all kinds of jewelry, including daily-wear rings. Aquamarine stone are exceptionally popular as earrings. Furthermore, perfect, transparent, six-sided crystals are occasionally worn uncut as necklace pendants. In addition to rings, pendants and earrings, you can find aquamarine stones set as bracelets, necklaces, brooches and more.
Note: Buy colored gemstones by size and not by carat weight. Colored stones vary with size-to-weight ratio. Some stones are larger and others are smaller by weight in comparison to diamond.
Aquamarine Gemstone and Jewelry Care and Cleaning Back to Top
Aquamarine is one of the more durable of gemstones, but it still requires careful handling and care. Avoid wearing aquamarine jewelry when working around harsh chemicals. To prevent scratches, always store aquamarine gemstones separately from other types of gemstone and gemstone jewelry.
When cleaning, you can use warm soapy water and dry aquamarine gems and jewelry using tissue or a soft cloth. Be sure to rinse your stones well to ensure all soapy residue is removed. Wrap your stones in a soft cloth when storing them for extended periods of time, or place them into a fabric-lined box.
- First Published: September-14-2006
- Last Updated: November-08-2018
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