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Galena Chalcopyrite Pyrite Sphalerite & Quartz

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QBM1021641

Galena Chalcopyrite Pyrite Sphalerite & Quartz

Description Tabs

Description
Locality: 
Deveti Septemvri Mine, Smolyan Oblast, Bulgaria
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.7 × 5.9 × 3.5 cm
Description

Superb specimen of galena decorated with chalcopyrite and pyrite from 9th Septemvri mine, Madan ore field, Bulgaria. Very attractive arrangement of yellow chalcopyrite and pyrite crystals over galena. The galena cube faces are matt. Lustrous yellow chalcopyrite and pyrite crystals growing above. Black sphalerite crystals and small quartz crystals are seen too. In excellent condition.

Choice specimen from this closed mine!

Shipping weight up to 0.500 kg

#20960

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

Pyrite

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

Sphalerite

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

Quartz

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