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Binnite & Dufrénoysite

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DLN104865

Binnite & Dufrénoysite

Classic Locality

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 3 cm
Largest Crystal: 
0.20cm
Description

Very well formed binnite ( a variety of tennantite from the Binn Valley) associated to dufrenoysite and dravite from this classic swiss locality. Official Code Number L-09-4338 (2009)..

Mineral Data
What's on the rock

Binnite

Variety Of: 

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Hardness: 
3.0 - 4.5

Dufrénoysite

Formula: 
Pb2As2S5
Strunz: 
2.HC.05d
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland
DLN Minerals

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