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Malachite & Calcite

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ESM686567

Malachite & Calcite

Description Tabs

Description
Locality: 
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, United States of America
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 2.5 cm
Description

Acicular green malachite crystals with calcite crystals on matrix

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White