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Calcite

#PD31642
SOLD
Calcite from Montreal mine, Iron Co., Wisconsin, United States - PD31642
Calcite from Montreal mine, Iron Co., Wisconsin, United States - PD31642

Calcite

#PD31642
Availability
Sold
Size
5 x 6.5 x 5.5 cm - Sm Cabinet 
Formula
CaCO3 (RRUFF)
Locality
Montreal mine, Iron Co., Wisconsin, United States

White cloud-like Calcite crystals to 3mm covering the entire top of a piece of massive crystalline pink Baryte with a couple balls of Pyrite tucked away in the Calcite clouds. The labels say that this is Manganoan Calcite, however it is pure white (Calcite-Mn is typically pink) and although Mn might be present we have not confirmed it. Nice piece!

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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