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Freibergite Jamesonite Sphalerite & Galena

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KFT198774

Freibergite Jamesonite Sphalerite & Galena

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Size Range: 
Cabinet (10-18 cm)
Size: 
13.5 × 8.1 × 3 cm
Largest Crystal: 
0.80cm
Description

Sharp crystals up this very rare mineral. 8.0mm!!! is very, very large for the mineral, for locality as well. The matrix consists of grey jamesonite grown over galena. Also cristallized is sphalerite and some other minerals i do not know. This one is out of an old Vienna collection.

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

Jamesonite

Formula: 
Pb4FeSb6S14
Strunz: 
2.HB.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Cornwall, England, UK

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey