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Chalcopyrite & Siderite

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MGR971720

Chalcopyrite & Siderite

Description Tabs

Description
Locality: 
Bijie Prefecture, Guizhou Province, China (Peoples Republic)
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 5 × 4.4 cm
Description

Incredible specimen of iridescent chalcopyrite on siderite matrix from China. The outstanding metallic lustre shows several tints of colour starting from an intense pinkish-purple to a deep blue, golden yellow and orange to red. Definitely a super eye-catching example.

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