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Chrysocolla & Goethite

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CLB111860

Chrysocolla & Goethite

Classic Locality

Description Tabs

Description
Locality: 
Vallone Stope, Cape Calamita Mine, Capoliveri, Elba, Livorno Province, Tuscany, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 8.1 × 5 cm
Description

This specimen is covered by translucent 'worms' of chrysocolla. Absolutely beautiful under a microscope.

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

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