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Chalcanthite

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MGR727150

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: 
4.8 × 3.3 × 2.9 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 red-brown 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