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Arsenopyrite Galena & Calcite

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CLB166071

Arsenopyrite Galena & Calcite

ex collection Achim Siebert
Classic Locality

Description Tabs

Description
Locality: 
Freiberg, Mittelsachsen, Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4.4 × 2.7 cm
Description

A very nice, classic specimen with brass-colored arsenopyrite crystals, black, shiny galena and brownish calcite crystals with rounded edges (no damage). Labeled 1979.

Mineral Data
What's on the rock

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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

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