uvarovite garnet group

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Description

Uvarovite is composed of hundreds of tiny crystals (drusy) on a matrix of darker stone. The Garnet is green because of the presence of chromium, which makes Emeralds this particular shade of green. The Uvarovite crystals shimmer when light crosses the surface.

Mineral Group  silica
Composition  Ca3Cr2(SiO4)3
Origin  Tuolomene County, California, Arizona, USA
dimension (cm)  4×2.5×0.5
weight (g)  15

This 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 garnet species, with an emerald-green color. It occurs as well-formed fine-sized crystals.

Additional information

Weight 15 g
Dimensions 4 x 2.5 x 0.5 cm