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Freibergite Siderite & Chalcopyrite

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GMB74502

Freibergite Siderite & Chalcopyrite

Description Tabs

Description
Locality: 
Freiberg, Mittelsachsen, Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 6.5 × 2.5 cm
Description

A specimen of the typical Freiberg- paragenesis with chalcopyrite, siderite and at least 4 crystals of freibergite (one is metallic shiny, the rest is partially coated with chalcopyrite) sitting mostly on the edge of the tetrahedrons on a matrix of the so called "Himmelsfürst-Gneiss".

Mineral Data
What's on the rock

Freibergite

Formula: 
Ag6[Cu4Fe2]Sb4S13-x
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0
Colour: 
Grey
Type Locality: 
Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Chalcopyrite

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

For payment within EU money transfer is preferred:

Marco Drechsel

SPK Mittelsachsen

SWIFT/BIC-Code: WELADED1FGX

IBAN: DE49 870520004111076110