Aquamarine Gemstone | Aquamarine Stone - GIA
Aquamarine Gemstone is the green-blue to blue variety of the mineral Beryl. It is known to be large in size & well-formed, making it particularly valuable.
Aquamarine History and Lore - GIA
Explore aquamarine history, research, quality factors, and more in the GIA Gem Encyclopedia.
Aquamarine Description - GIA
Explore aquamarine history, research, quality factors, and more in the GIA Gem Encyclopedia.
March Birthstones | Aquamarine & Bloodstone Meaning - GIA
Aquamarine is not only the birthstone for March, but the gem is also given as a present on the 19th wedding anniversary. As for famous ones, in 1936 the government of Brazil gave First Lady Eleanor Roosevelt a dark blue rectangular step cut aquamarine that weighed 1,298 carats (ct).
Aquamarine: A Member of the Mineral Species Beryl | GIA 4Cs
Mar 1, 2013 · This gemstone is a member of the mineral species beryl . Chemically pure beryl is colorless, but trace elements give rise to green, blue and pink/red colors. Aquamarines are usually a pastel blue, though the darker the hue, the more valuable the gem is.
Aquamarine Quality Factors - GIA
Aquamarine’s color range is very narrow: It can be blue, very slightly greenish blue, greenish blue, very strongly greenish blue, or green-blue. The gem’s most valuable color is a dark blue to slightly greenish blue with moderately strong intensity.
Aquamarine Care and Cleaning Guide - GIA
Learn about aquamarine's durability and how to care for your aquamarine jewelry.
GIA Gem Encyclopedia | Complete List Of Gemstones
GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos & research.
Aquamarine - Gemological Institute of America
Aquamarine is a variety of the mineral beryl that can be blue or greenish-blue. It can grow as a beautiful six-sided crystal. These crystals can be tiny or very large. Some are even up to 100 pounds! Its name comes from “aqua,” which means water and “marine,” which means sea.
Aquamarine with Unusually Strong Dichroism | Gems & Gemology …
This 4.49 ct grayish blue aquamarine was unusual for its strikingly intense dichroism. Photo by Gagan Choudhary. Recently, a transparent grayish blue oval mixed cut (figure 1) was submitted for identification at the Gem Testing Laboratory in Jaipur.