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Calcite

#53272
SOLD
Calcite from Homestake mine, Lawrence Co., South Dakota, United States - 53272
Calcite from Homestake mine, Lawrence Co., South Dakota, United States - 53272

Calcite

#53272
Availability
Sold
Size
5 x 2.7 x 2 cm - Miniature 
Formula
CaCO3 (RRUFF)
Locality
Homestake mine, Lawrence Co., South Dakota, United States
Tagged
carbonate

Calcite takes on different forms exhibiting water clear crystals and cleavage. The Homestake mine is a now the US National Lab studying Martians and other phenom weird particals.

Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness
3 

Data courtesy of Webmineral.

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