Uvarovite

Uvarovite is a chromium-bearing garnet group species with the formula: Ca3Cr2(SiO4)3. It was discovered in 1832 by Germain Henri Hess who named it after Count Sergei Semenovitch Uvarov (1765–1855), a Russian statesman and amateur mineral collector. Uvarovite is one of the rarest of the garnet group minerals, and is the only consistently green ga...
Found on http://en.wikipedia.org/wiki/Uvarovite

uvarovite

calcium chromium garnet found as small, brilliant, green crystals. It is the rarest of all the garnets, and its crystals commonly are too small to ...
Found on http://www.britannica.com/eb/a-z/u/20
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