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Eleonorite & Kidwellite & Cacoxenite

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CHP867773

Eleonorite & Kidwellite & Cacoxenite

Classic Locality

Description Tabs

Description
Locality: 
Mark Mine, Weinbach, Limburg-Weilburg, Giessen Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.8 × 1.9 cm
Description

beautiful specimen with many nice reddish crystals of eleonorite with associate good green aggregates of kidwellite with yellow balls of cacoxenite on matrix.

c. 2650

Mineral Data
What's on the rock

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

Kidwellite

Formula: 
NaFe3+9(PO4)6(OH)11·3H2O
Strunz: 
8.DK.20
Hardness: 
3.0
Streak: 
yellow
Type Locality: 
Fodderstack Mountain, Norman, Montgomery Co., 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

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