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Chalcopyrite Sphalerite & Dolomite With Quartz

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CLB60271

Chalcopyrite Sphalerite & Dolomite With Quartz

Classic Locality

Description Tabs

Description
Locality: 
Huanzala Mine, Huallanca, Bolognesi Province, Ancash Department, Peru
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6.7 × 3.3 cm
Largest Crystal: 
1.30cm
Description

A floater specimen full of lustrous golden chalcopyrite crystals, striped pyrite cubes, almost black sphalerite crystals and rock crystals.

Some are with curved dolomite rhombs on top.

Some dings at the edges but nothing to worry about.

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Quartz

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

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