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Falkmanite With Chalcopyrite

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LGM197288

Falkmanite With Chalcopyrite

Ex Armin Wendlandt coll., ex C. Rewitzer
Type Locality

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Description
Locality: 
Bayerland Mine, Pfaffenreuth, Leonberg, Upper Palatinate, Bavaria, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.5 × 2 cm
Description

Falkmanite is a lead-rich variety of boulangerite, originally described from Bayerland Mine, Pfaffenreuth, Upper Palatinate, Bavaria, Germany. Comes with detailled Armin Wendland collection card. Translation: "Lead-grey, opaque, metallic shining falkmannite crystals with broad regular habit. The unclear, partly bended falkmannite crystals are mostly composed of acicular aggregates and accompanied by chalcopyrite." Very good stuff for the species.
Weight: 80 grams

Mineral Data
What's on the rock

Falkmanite

Formula: 
Pb5.4Sb3.6S11
Strunz: 
2.HC.15
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Bayerland Mine, Pfaffenreuth, Leonberg, Upper Palatinate, Bavaria, Germany

Chalcopyrite

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

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