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Chrysocolla & Malachite

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MGR840559

Chrysocolla & Malachite

Description Tabs

Description
Locality: 
Lily Mine, Humay, Pisco, Ica Department, Peru
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
16.1 × 6.6 × 2.4 cm
Description

This slice shows intense saturation - chrysocolla along the periphery and dark green malachite more in the center. The core is a dark; copper-bearing ore. The piece is well cut and polished at both sides.

Mineral Data
What's on the rock

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Malachite

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