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Bornite Chalcopyrite & Pyrite

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PJM200607

Bornite Chalcopyrite & Pyrite

Description Tabs

Description
Locality: 
Lake Boga Granite Quarry, Lake Boga, Swan Hill, Victoria, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 3.5 × 3 cm
Description

 A series of sulphide veins transverse this granite matrix, the veins are small blocky pyrite crystals and masses of chalcopyrite which has altered to metallic blue black bornite. The matrix is also encrusted with pale blue crusts of turquoise and minute sections of ulrichite

Mineral Data
What's on the rock

Bornite

Formula: 
Cu5FeS4
Strunz: 
2.BA.15
Crystal System: 
Tetragonal
Hardness: 
3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Chalcopyrite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
Earthstones Australia

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