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Chrysocolla

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MGR824034

Chrysocolla

Classic Locality

Description Tabs

Description
Locality: 
Star of the Congo Mine, Lubumbashi, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.6 × 3.6 cm
Description

A very nice and colorful sample of chrysocolla from this well known locality. The spheres are glossy and partly covered with a light layer, which helps to give a lot of contrast to this well formed specimen.

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