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Gold On Chalcocite & Covellite

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PJM39601

Gold On Chalcocite & Covellite

Description Tabs

Description
Locality: 
Angepena Station, Arkaroola, Flinders Ranges, South Australia, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 2.4 × 1.9 cm
Description

A section of crystallised grey quartz hosts a pair of crude chalcocite crystals which are dusted with micro covellite rosettes and interlaced with crysalline gold. An old time specimen dating back to the late 1890's which I acquired from Chris & Margaret Johnstone in the early 1980's

Mineral Data
What's on the rock

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Chalcocite

Formula: 
Cu2S
Strunz: 
2.BA.05
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0

Covellite

Formula: 
CuS
Strunz: 
2.CA.05a
Crystal System: 
Hexagonal
Hardness: 
1.5 - 2.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Earthstones Australia

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