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Natrochalcite & Antlerite

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JYJ829115

Natrochalcite & Antlerite

Description Tabs

Description
Locality: 
Chuquicamata Mine, Chuquicamata, Calama, El Loa Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.8 × 1.3 cm
Description

Bright green natrochalcite associated with dark green antlerite from Chuquicamata, Chile. 

 

Mineral Data
What's on the rock

Natrochalcite

Formula: 
NaCu2(SO4)2(OH)·2H2O
Strunz: 
7.DF.15
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Antlerite

Formula: 
Cu3(SO4)(OH)4
Strunz: 
7.BB.15
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
3.5
Type Locality: 
Antler Mine (Antler Gold Mine; Spuyten Duyvel Mine), Arrastra Mt., Hualapai District, Hualapai (Hualpai) Mts, Mohave Co., Arizona, USA