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Chrysocolla

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NST658249

Chrysocolla

Description Tabs

Description
Locality: 
Cape Calamita Mine, Capoliveri, Elba, Livorno Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.9 × 5.8 × 2.9 cm
Description

A matrix specimen with botryoidal formations of chrysocolla over malachite, partially as pseudomorphs, minor azurite and black manganese oxides.

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