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Chalcopyrite Sphalerite & Quartz

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ESM694834

Chalcopyrite Sphalerite & Quartz

Description Tabs

Description
Locality: 
Huanzala Mine, Huallanca, Bolognesi Province, Ancash Department, Peru
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.5 × 8.5 × 6 cm
Description

Tarnished chalcopyrite crystals with lustrous sphalerite crystals qnd quartz needles

Mineral Data
What's on the rock

Chalcopyrite

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White