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Quartz Chalcopyrite & Calcite

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JNM586319

Quartz Chalcopyrite & Calcite

Description Tabs

Description
Locality: 
Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.7 × 6.2 × 3.7 cm
Description

Group of clear rock crystal partially coated by yellowish calcite on a sheet of chalcopyrite. Most of the mini rock crystals around the main group are broken.

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Mineral Data
What's on the rock

Quartz

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

Chalcopyrite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
Video

Quartz, Chalcopyrite, Calcite

JN Minerals

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