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Atacamite Olivenite & Metahalloysite

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RBR74212

Atacamite Olivenite & Metahalloysite

With Antique Label

Description Tabs

Description
Locality: 
Chuquicamata Mine, Calama, Antofagasta Region, Chile
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 5 × 3.5 cm
Description

A very fine specimen with undamaged crystals of atacamite on matrix. None of the atacamite-"suns" in damaged, it is a very good specimen with good contrast and size. The specimen comes with a labeled box and an older label.

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

Olivenite

Formula: 
Cu2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK
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