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Malachite With Calcite

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PCZ165189

Malachite With Calcite

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 1.5 cm
Description

Attractive deep green sprays of malachite crystal contrasting well with a black under-layer of unknown mineral. There are also a few water clear calcite crystals scattered around the display face.

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
Peter Crozier Minerals