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Galena Chalcopyrite & Quartz

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RBR26774

Galena Chalcopyrite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Slovakia (Slovak Republic)
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.5 × 7 × 4.5 cm
Largest Crystal: 
0.70cm
Description

A very well formed specimen of galena, partly covered by small quartz-crystals.

Some of them are showing nice etching-forms.

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

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
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