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Chalcopyrite & Quartz

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CR668820

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: 
5.3 × 4.2 × 3 cm
Largest Crystal: 
1.80cm
Description

Sharp and lustrous golden chalcopyrite crystals with gemmy needle quartz crystals from an old find in the 1970s.

With minor pyrite and 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