General Information:
Chemical Formula:Ca3Cr2(SiO4)3
Composition:(Molecular Weight = 500.48 gm)Calcium 24.02 %
CaChromium 20.78 %
CrSilicon 16.84 %
SiOxygen 38.36 %
O Empirical Formula: Ca3Cr2(SiO4)3
Environment:Metamorphosed chromite deposits.
IMA Status:Approved IMA 1963
Locality:Central Urals, Russia.
Name Origin:Named after Count S. S. Uvarov (1765-1855), Russian statesman and ardent amateur mineral collector.
Physical Properties: Cleavage:None
Color:green.
Density:3.4 - 3.8, Average = 3.59
Diaphaniety:Transparent to translucent
Habits:Crystalline - Fine - Occurs as well-formed fine sized crystals., Crystalline - Fine - Occurs as well-formed fine sized crystals., Lamellar - Thin laminae producing a lamellar structur e.
Hardness:6.5-7 - Pyrite-Quartz
Luminescence:None.
Luster:Vitreous (Glassy)
Streak:white
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