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Delvauxite & Cacoxenite

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SHS1166506

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Description
Locality: 
Rotläufchen Mine, Waldgirmes, Lahnau, Lahn-Dill, Giessen Region, Hesse, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 2 × 1.2 cm
Description

Delvauxite and cacoxenite on matrix

Mineral Data
What's on the rock

Delvauxite

Formula: 
CaFe4(PO4,SO4)2(OH)8·4-6H2O not confirmed·
Strunz: 
8.DM.35
Crystal System: 
Amorphous
Hardness: 
2.5
Streak: 
Yellow
Type Locality: 
Château de Berneau, Berneau, Dalhem, Liège, Liège Province, Belgium

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

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Start 15 Feb 18:00
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