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Natrochalcite & Kröhnkite

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CAM549890

Natrochalcite & Kröhnkite

Type Locality

Description Tabs

Description
Locality: 
Chuquicamata Mine, Chuquicamata, Calama, El Loa Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 3.4 cm
Description

A very good example of the sodium-copper-sulfate natrochalcite with a very rich coverage of green crystals and crystalline masses of natrochalcite on a matrix of bright blue radiating kröhnkite. A very colourfull specimen, Type Locality for both species.

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

Kröhnkite

Formula: 
Na2Cu(SO4)2·2H2O
Strunz: 
7.CC.30
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile
Cartils Minerals

Seller Information

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