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Galena & Sphalerite

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PJM93702

Galena & Sphalerite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Dalnegorsk, Primorskiy Kray, Russian Federation
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3.9 × 1.4 cm
Description

This has to been one of the most unusual galena crystals I have come across. A single gunmetal, flattened twinned galena crystal, 4.7cm across and 0.6cm thick, terminated around the edges with a sharp bevel. Several small black sphalerite crystals are imbedded i the lower part of the display face with the reverse side almost completely covered in dark lustrous sphalerites.

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

Sphalerite

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

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