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Beraunite & Ferrostrunzite

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MEX216397

Beraunite & Ferrostrunzite

ex Barbara collection
Classic Locality

Description Tabs

Description
Locality: 
A46 Highway Bridge, Uentrop, Arnsberg, North Rhine - Westphalia, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.8 × 1.4 cm
Description

A rich covered specimen with red beraunite needles and straw yellow ferrostrunzite crystals. This specimen was found in the late 1980 years by highway construction. Prof. van Tassel analysed here only ferrostrunzite.

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

Ferrostrunzite

Formula: 
Fe2+Fe3+2(PO4)2(OH)2·6H2O
Strunz: 
8.DC.25
Hardness: 
4.0
Streak: 
White.
Type Locality: 
Raccoon Creek, Mullica Hill, Harrison Township, Gloucester Co., New Jersey, USA