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Galena Sphalerite Quartz & Calcite

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PFK92743

Galena Sphalerite Quartz & Calcite

Description Tabs

Description
Locality: 
Gyudyurska Mine, Zlatograd, Smolyan Oblast, Bulgaria
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.2 × 4.2 cm
Description

A nice specimen from Bulgaria: Melted galena cubes with quartz and some calcite and a 2cm- lustrous black sphalerite crystal.

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

Quartz

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

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