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Eleonorite Nsutite & Strengite

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SER681697

Eleonorite Nsutite & Strengite

Description Tabs

Description
Locality: 
Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2.5 cm
Description

Several vugs in gossoan matrix filled with orange tufts of eleonorite on purple balls of strengite and black nsutite ; self collected on 2010

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

Nsutite

Formula: 
(Mn4+,Mn2+)(O,OH)2
Strunz: 
4.DB.15c
Hardness: 
6.5 - 8.0
Type Locality: 
Nsuta Mine (Insuta Mine; Nsuta-Gaywin Manganese concession; Nsuta-Wassaw), Tarkwa, Western Region, Ghana

Strengite

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