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Chalcopyrite Chalcanthite & Chrysocolla

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PJM122697

Chalcopyrite Chalcanthite & Chrysocolla

Description Tabs

Description
Locality: 
Mount Cleveland Mine, Luina, Heazlewood, Waratah-Wynyard Municipality, Tasmania, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.6 × 1.8 cm
Description

A vein of chalcopyrite with country rock adhering to one side has been exposed and shows a green to blue copper bloom that was called chrysocolla by the miers who collected it. It is more likely to be melantrite and chalcanthite, two small blue crystals of chalcanthite are present

Mineral Data
What's on the rock

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

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

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5
Earthstones Australia

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