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Galena Sphalerite & Chalcopyrite With Quartz

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KSC736995

Galena Sphalerite & Chalcopyrite With Quartz

Classic Locality

Description Tabs

Description
Locality: 
Krushev Dol Mine, Smolyan Oblast, Bulgaria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 7 × 5.5 cm
Description

A fantastic piece from Madan that reveals the best quality common species can get to!The sulphides are all at their best, with galena of mirror luster and sharp skeletal form!The crystals are epitaxial to chalcopyrite of also superb luster and color!Please check well to check the phaenomenon, with the galena crystals not just attached but growing parallel to the crystals faces!There are numerous crystals of textbook pyramidal sphalerite of metallic luster!Some calcite and quartz aggregates give style!The piece is undamaged!

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

Sphalerite

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

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

Seller Information

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