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Proustite Calcite & Chalcopyrite

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LGM50224

Proustite Calcite & Chalcopyrite

Ex Dr. Krantz collection, Bonn, Germany
Classic Locality

Description Tabs

Description
Locality: 
Freiberg, Mittelsachsen, Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 5 × 2 cm
Description

Rough proustite, calcite and chalcopyrite Weight: 40 grams

Mineral Data
What's on the rock

Proustite

Formula: 
Ag3AsS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 2.5

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

Seller Information

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Seller's terms and conditions

Thank you for viewing my auctions! Maintaining high standards in customer service is extremely important to me. If shipping takes longer than expected, please contact me. It is possible to file an investigation request, and during nearly ten years of e-rocks NO parcel was finally lost.

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+++IMPORTANT+++
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