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Cacoxenite & Strengite

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CLB540317

Cacoxenite & Strengite

ex collection A.Siebert
Classic Locality

Description Tabs

Description
Locality: 
Rotläufchen Mine, Waldgirmes, Lahnau, Lahn-Dill, Giessen Region, Hesse, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.4 × 3.1 cm
Description

Very rich specimen, full of yellow, acicular cacoxenite crystals, partly growing on pink strengite. At a few spots the strengite is peaking through.

Mineral Data
What's on the rock

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

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Streak: 
white
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany

Seller Information

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