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Schalenblende & Galena

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MEX155821

Schalenblende & Galena

Description Tabs

Description
Locality: 
Seilles, Andenne, Namur District, Belgium
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 6.1 × 1.9 cm
Description

Massiv layers of sphalerite with crust of small sphalerite crystals and big octahedrons of galena. On backside you can see the negative of calcite rhombohedrons. Length of the edge of galena is maximal 8 mm.

Mineral Data
What's on the rock

Schalenblende

Mixture Of: 

Sphalerite

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

Wurtzite

Formula: 
(Zn,Fe)S
Strunz: 
2.CB.45
Hardness: 
3.5 - 4.0

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Hardness: 
2.5

Galena

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