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The Allure of Aquamarine, part 2 - Legends and Lore
Aquamarine has a long history as a revered gemstone. Blue and colourless beryls are thought to have been known to the Sumerians and Semitic peoples...
The Allure of Aquamarine, part 1 - Beautiful Blue Beryl
Species
Beryl var. Aquamarine
Chemical Formula
Be3Al2Si6O18 with Fe2+
Mohs Hardness
7.5 - 8
Cleavage
Indistinct
Luster
...