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Calcite & Chalcopyrite

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CLB184832

Calcite & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Altáró, Gyöngyösoroszi, Mátra Mountains, Heves County, Hungary
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6.3 × 3 cm
Description

Lustrous black 'artichoke' calcite crystals, sprinkled with tiny glossy, golden chalcopyrite crystals. Very rare and beautiful. Even better in nature.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Chalcopyrite

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

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