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Chalcopyrite Quartz & Dolomite

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CAM537918

Chalcopyrite Quartz & Dolomite

With antique label

Description Tabs

Description
Locality: 
Guanaco, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.7 × 5.3 × 2.7 cm
Largest Crystal: 
1.00cm
Description

A very old specimen from Chile, collected in 1911 and part of the collection of the Mineralogical and Geological Institute of Hamburg, Germany. But it's not only old, it's also a very fine and showy specimen loaded with bronzy chalcopyrite crystals up to 1 cm associated with yellowish dolomite crystals and small highly lustrous quartz crystals.

A very fine piece with a beautiful old label.

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

Dolomite

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

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