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Beraunite

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BCK780655

Beraunite

Rare Mineral

Description Tabs

Description
Locality: 
Union Carbide Mine, Wilson Springs, Garland County, Arkansas, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2 × 2.6 cm
Description

You are bidding on a rich samples with beautiful clusters of beraunite needles lining a large vug. This was a one time find made by Henry Delinde in 1979. These crystals should be reinvestigated with modern methods as they could be another member of the beruanite group. Associated with minor cacoxenite. 

Mineral Data
What's on the rock

Beraunite

Formula: 
Fe2+Fe3+5(PO4)4(OH)5·6H2O
Group Parent: 
Beraunite Group
Strunz: 
8.DC.27
Crystal System: 
Monoclinic
Hardness: 
3.0 - 4.0
Type Locality: 
Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

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