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Beraunite & Cacoxenite & Natrodufrénite

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SCH69537

Beraunite & Cacoxenite & Natrodufrénite

Description Tabs

Description
Locality: 
La Paloma Mine, Zarza la Mayor, Cáceres, Extremadura, Spain
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.2 × 1.8 cm
Description

Excellent bright red balls of beraunite in richly paragenesys over quartz with black balls of natrodufrénite ans sparse sprays of cacoxenite needles. Beautiful!

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

Cacoxenite

Formula: 
Fe3+24Al(PO4)17O6(OH)12·17H2O
Strunz: 
8.DC.40
Hardness: 
3.0 - 4.0
Type Locality: 
Hrbek Mine, Svatá Dobrotivá (St Benigna), Beroun (Beraun), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Natrodufrénite

Formula: 
NaFe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5
Type Locality: 
Pluherlin Castle, Rochefort-en-Terre, Morbihan, Brittany, France
schani

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