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Chalcanthite

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TPX873669

Chalcanthite

Classic Locality

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Description
Locality: 
Cala Mines, Cala, Huelva, Andalusia, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.6 × 3.3 cm
Weight: 
45.00gr
Description

Very interesting specimen of blue chalcanthite and other sulfates on an altered pyrite and chalcopyrite matrix.

Although chalcanthite tends to dehydrate over time, some specimens are very stable like those in this mine, although this depends a lot on the microclimate of each place, I always recommend keeping them in a methacrylate urn.

Mineral Data
What's on the rock

Chalcanthite

Formula: 
CuSO4·5H2O
Strunz: 
7.CB.20
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
2.5
Streak: 
White
Type Locality: 
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

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