Emerald Be3Al2(SiO3)6::Cr  -  9.CJ.05 (Strunz)(from Bogota, Colombia [rough], from Minas Gerais, Bra

Emerald Be3Al2(SiO3)6::Cr  -  9.CJ.05 (Strunz)(from Bogota, Colombia [rough], from Minas Gerais, Brazil [cut]) Emerald is a variety of the mineral called beryl, it contains chromium and vanadium, which give it its characteristic emerald green color. The big one, is a Colombian Emerald Rough, but is less clear than the other. The little one, is a cut gem (emerald cut to minimize impacts), very beautiful and clear, with a distinctive color of its origin (Brazil). -- source link

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