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Beraunite

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PCZ610312

Beraunite

Description Tabs

Description
Locality: 
Gravel Hill Mine, Perranzauloe, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 3.5 cm
Description

Lovely olive-green crystal aggregates lining cavities in iron-stained quartz.  A nice example of a rarely offered mineral from the famous Cornish mining area.

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
Peter Crozier Minerals