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Chrysocolla

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QRI842443

Chrysocolla

Classic Locality

Description Tabs

Description
Locality: 
Cape Calamita Mine, Capoliveri, Elba, Livorno Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.7 × 2 cm
Weight: 
16.00gr
Description

A colorful specimen consisting of an open limonite vein which displays a face fully lined by blue botryoidal chrysocolla. Specimens like these resulted from the alteration of the pyrite-laden deposit, and in this case there are also some green areas, possibly chrysocolla psm after melanterite.

A very representative specimen in good quality and size. 

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

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