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Medenbachite

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CHP904591

Medenbachite

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Description
Locality: 
Fonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda District, Portugal
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.1 cm
Description

specimen with some white crystalline aggregates of the extremely rare medenbachite on matrix.

c. 4076

Mineral Data
What's on the rock

Medenbachite

Formula: 
Bi3+2Fe3+(Cu,Fe3+)(AsO4)2(OH,O)4
Strunz: 
8.BK.10
Crystal System: 
Triclinic
Hardness: 
4.5
Type Locality: 
Point 8.0, Borstein, Reichenbach, Lautertal (Odenwald), Odenwald, Hesse, Germany

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