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Galena With Sphalerite & Fluorite

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PJM94997

Galena With Sphalerite & Fluorite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Cave In Rock District, Illinois, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.8 × 1.8 cm
Description

This excellent complete galena cube has good lustre with gunmetal gray colour. The crystal faces are strikingly enhanced by the "fortification" structures. The galena is wrapped around a pale, gemmy blue, pair of light blue fluorite cubes and nicely studded with ruby-jack sphalerites. The cube displays very well and fine galena specimens from the Southern Illinois Fluorite District are not all that common.

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

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.