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Natrochalcite & Leightonite

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ESM220554

Natrochalcite & Leightonite

Description Tabs

Description
Locality: 
Chuquicamata Mine, Chuquicamata, Calama, El Loa Province, Antofagasta Region, Chile
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.6 × 4.7 × 3.9 cm
Description

Green natrochalcite crystals embedded in leightonite crystals

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

Leightonite

Formula: 
K2Ca2Cu(SO4)4·2H2O
Strunz: 
7.CC.70
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile