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Bornite Psm Chalcopyrite With Quartz

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FRN106934

Bornite Psm Chalcopyrite With Quartz

Description Tabs

Description
Locality: 
Yizhang, Hunan Province, China (Peoples Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.1 × 2.9 cm
Description

Large twined chalcopyrite crystal with iridescent bornite coating on the surfaces surrounded with some transparent quartz crystals.

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
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