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Barrandite Cacoxenite & Beraunite

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CLB64120

Barrandite Cacoxenite & Beraunite

Description Tabs

Description
Locality: 
Rotläufchen Mine, Waldgirmes, Lahnau, Lahn-Dill, Giessen Region, Hesse, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5 × 3 cm
Description

Barrandite is a synonym of aluminian strengite. The barrandite on this specimen forms spheres. There are also some cacoxenite crystals and some beraunite or oxi-beraunite.

Mineral Data
What's on the rock

Barrandite

Synonym Of: 

Aluminian Strengite

Hardness: 
0.0

Ferrian Variscite

Hardness: 
0.0

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

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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