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Quartz Sphalerite Calcite & Pyrite

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KFT55507

Quartz Sphalerite Calcite & Pyrite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3 × 3 cm
Largest Crystal: 
2.00cm
Description

A small specimen with many minerals - the big quartz is a scepter and looks very good; the specimen is from an old collection and not cleaned well!!

Mineral Data
What's on the rock

Quartz

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

Sphalerite

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

Calcite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5