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Chalcanthite

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MGR729444

Chalcanthite

Description Tabs

Description
Locality: 
Planet Mine, Planet, La Paz County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.9 × 5 cm
Description

Superb specimen with fibrous striking blue, free-standing chalcantite on matrix. The electric blue color is even better in person. The crystals are curved, they look like wires. The contrast to the the light matrix is just wonderful.

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