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Boulangerite Sphalerite & Rhodochrosite

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CR621909

Boulangerite Sphalerite & Rhodochrosite

Classic Locality

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 10 × 7 cm
Description

From an old collection comes this large and very good specimen of lustrous sphalerite crystals up to 1.5 cm, hairlike grey metallic boulangerite and pale pink rhodochrosite.

Beautiful display specimen with minor arsenopyrite and quartz crystals.

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

Sphalerite

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

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania