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Laubmannite & Eleonorite

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SHS1092761

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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: 
2.2 × 1.3 × 0.8 cm
Description

Nice eleonorite and laubmannite on matrix

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

Eleonorite

Formula: 
Fe3+6(PO4)4O(OH)4 · 6H2O
Group Parent: 
Beraunite Group
Crystal System: 
Monoclinic
Hardness: 
3½ - 4
Colour: 
red, reddish brown
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany & Rotläufchen Mine, Waldgirmes, Wetzlar, Hesse, Germany

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Start 05 Jan 18:00
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