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Sphalerite Quartz Galena Calcite & Chalcopyrite

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ERO1021874

Sphalerite Quartz Galena Calcite & Chalcopyrite

Description Tabs

Description
Locality: 
Madan, Smolyan Oblast, Bulgaria
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 3.6 × 3.4 cm
Weight: 
122.00gr
Description

Well formed sphalerite crystals with quartz, white calcite, galena and golden chalcopyrite.

Condition as on pictures 

(37229)

Mineral Data
What's on the rock

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

Galena

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

Calcite

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

Chalcopyrite

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

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