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Chalcopyrite Pyrite Galena & Quartz

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MGR752256

Chalcopyrite Pyrite Galena & Quartz

Floater

Description Tabs

Description
Locality: 
Deveti Septemvri Mine, Smolyan Oblast, Bulgaria
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2.2 cm
Description

A really eye-catching combination - snowy white milky quartz crystals, on it dark galena crystals and set on galena you can see intense golden chalkopyrite crystals. And as cherry on the cake: micro crystals of pyrite are set along some edges and corners of the chalcopyrite. No significant damages to report.

Mineral Data
What's on the rock

Chalcopyrite

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

Pyrite

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

Galena

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

Quartz

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