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Atacamite & Chrysocolla

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RBM756296

Atacamite & Chrysocolla

Description Tabs

Description
Locality: 
El Tesoro Mine, Calama, El Loa Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 2.7 × 2.5 cm
Largest Crystal: 
1.80cm
Description

Impressive pair of atacamite crystals that have been replaced by chrysocolla and coated by chalcedony druse. You can also see perfectly defined atacamite crystals.

Mineral Data
What's on the rock

Atacamite

Formula: 
Cu2(OH)3Cl
Strunz: 
3.DA.10a
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Atacama Region, Chile

Chrysocolla

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

Seller Information

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