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Galena On Dolomite

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Galena On Dolomite

Description Tabs

Description
Locality: 
Sayari Mine, Cerro Sayari, Arque Province, Cochabamba Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.1 × 3.3 cm
Description

Matt glossy galena cubes on bright in combination with dolomite and small quartz crystals on matrix. The galena crystals show a cubic structure on the faces with a matt metallic sheen. The crystals are beautifully crystallized over a bulge, only the bottom was extracted from the rock. Very unusual material that is not offered on the market.

Mineral Data
What's on the rock

Galena

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White