Aquamarine’s Crystal Structure

Aquamarine crystals

Some gemstones are commonly found in well formed crystals while others are not. Aquamarine is one mineral varitey that is often found in well formed crystals. It’s crystal structure is a typical hexagonal (six-sided) crystal column with a flat top and bottom, like the one pictured on the left from the Gilgit District of Northern Pakistan.

Some aquamarine crystals are pointed on the ends, like the center aquamarine crystal from Espirito Santo, Brazil. And occasionally, one may find a uinque shaped aqua like this piece you see here on the left from Minas Gerais, Brazil. It is difficult to determine size of this piece from the photo, but it is a very large chunk of aquamarine. I thought it was very interesting…captivating. Also notice the different colors in just this small sampling of aquamarine.

Author: Michelle M. Rahm is a GIA-trained Graduate Gemologist and is President of Colorado’s Mile High Chapter of the GIA Alumni Association. She has been selling gemstones and jewelry online since 1997. Visit her websites JewelryImpressions.com and OurCustomWeddingRings.com

About mrahm

Michelle holds a Graduate Gemologist Diploma, Graduate Diamonds Diploma and Graduate Colored Stones Diploma through the Gemological Institute of America's distance education program. Michelle currently serves as President of the Mile High GIA Alumni Association. She also serves on the board of the Rocky Mountain Jeweler's Association and is a member of the American Gem Trade Association.
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