Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Boulangerite Sphalerite & Calcite

Views:
Watches:
ESM713041

Boulangerite Sphalerite & Calcite

Description Tabs

Description
Locality: 
Turt Mine, Negrești-Oas, Satu Mare County, Romania
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 5 × 3.2 cm
Description

Hair-like boulangerite on dark sphalerite and minor calcite rhombs

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White