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Chalcopyrite On Siderite

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BMM706500

Chalcopyrite On Siderite

Description Tabs

Description
Locality: 
Kalwu Mine, Hezhang County, Bijie Prefecture, Guizhou Province, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.8 × 3.3 cm
Description

High gloss chalkopyrite with very colorful iridiscent layer in combination with lustrous brown siderite from the Kalwu Mine. The chalkopyrite from a recent discovery shows this very colorful iridiscent layer. Both minerals are well crystalized, sharply terminated and highly lustrous. Very good quality with breath-taking contrast.

Mineral Data
What's on the rock

Chalcopyrite

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
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