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Laubmannite & Cacoxenite

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ESM667475

Laubmannite & Cacoxenite

Description Tabs

Description
Locality: 
Rotläufchen Mine, Waldgirmes, Lahnau, Lahn-Dill, Giessen Region, Hesse, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 5 × 0.7 cm
Description

Clusters of yellow cacoxenite crystals with clusters of raditing greenish rockbrodgeite crystals

Mineral Data
What's on the rock

Laubmannite

Mixture Of: 

Dufrénite

Formula: 
Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5

Kidwellite

Formula: 
NaFe3+9(PO4)6(OH)11·3H2O
Strunz: 
8.DK.20
Hardness: 
3.0

Beraunite

Formula: 
Fe2+Fe3+5(PO4)4(OH)5·6H2O
Strunz: 
8.DC.27
Hardness: 
3.0 - 4.0
Formula: 
Previously published; Fe2+3Fe3+6(PO4)4(OH)12
Hardness: 
3.5 - 4
Colour: 
Brown, Greenish brown, Grayish green, Yellow green, Dark green
Streak: 
Brownish
Type Locality: 
Shady, Polk County, Arkansas, USA

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

Current price

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Starting price

$10
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Start 09 Aug 18:00
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Shipping Information

Postage Area Price
Germany 6,00
6
Europe 8,00
8
Overseas 9,00
9