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Chalcopyrite With Galena & Sphalerite

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KSC142576

Chalcopyrite With Galena & Sphalerite

Description Tabs

Description
Locality: 
Gyudyurska Mine, Zlatograd, Smolyan Oblast, Bulgaria
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 3.5 × 2.5 cm
Description

A full sized small cabinet specimen,with all crystals at maximum quality!All crystals are super sharp and textbook,with great luster!What I like about this piece is that the groups are well separated from each other,with the sphalerite crystals sitting on the bottom of the display,follows a group of galena crystals and on the top of them grow the chalcopyrite crystals.Only two crystals of sphalerite show minor damage and the rest of the crystals are pristine.

Mineral Data
What's on the rock

Chalcopyrite

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

Galena

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

Sphalerite

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

Seller Information

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