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Chalcopyrite & Quartz

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CR684708

Chalcopyrite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Huanzala Mine, Huallanca, Bolognesi Province, Ancash Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 3.6 cm
Largest Crystal: 
3.00cm
Description

Sharp and lustrous golden chalcopyrite crystal cluster on a bed of gemmy needle quartz crystals from an old find in the 1970s.

With minor sphalerite.

Beautiful specimen from Armin Wendland collection.

Mineral Data
What's on the rock

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