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Kröhnkite & Sideronatrite

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JYJ963957

Kröhnkite & Sideronatrite

Description Tabs

Description
Locality: 
Coronel Manuel Rodríguez Mine, Mejillones Peninsula, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 3.5 cm
Description

Blue kröhnkite associated with brown sideronatrite from the Coronel Manuel Rodriguez mine, Antofagasta, Chile. 

 

Mineral Data
What's on the rock

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

Sideronatrite

Formula: 
Na2Fe(SO4)2(OH)·3H2O
Strunz: 
7.DF.20
Hardness: 
1.5 - 2.0
Type Locality: 
San Simon Mine, Santa Rosa-Huantajaya District, Iquique Province, Tarapacá Region, Chile