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Boulangerite Galena & Sphärosiderite

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CLB88664

Boulangerite Galena & Sphärosiderite

Classic Locality

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Mitrovica District, Kosovo
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 3.4 cm
Description

Interesting specimen with a very rich paragenesis. Besides the dark gray, shiny boulangerite needles there are not only galena cubes and spheres of siderite, but it has also a matrix of rhodochrosite and sphalerite with some pyrite cubes.

Mineral Data
What's on the rock

Boulangerite

Formula: 
Pb5Sb4S11
Strunz: 
2.HC.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Colour: 
Lead grey
Streak: 
Brownish
Type Locality: 
Molières, Gard, Languedoc-Roussillon, France

Galena

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

Sphärosiderite

Variety Of: 

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Hardness: 
3.5 - 4.5
Hardness: 
0.0

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