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Bariopharmacosiderite

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MEX515254

Bariopharmacosiderite

ex Gerhard Niceus collection

Description Tabs

Description
Locality: 
Ste Barbe Vein, Compagnie Minière des Montmins, Échassières, Allier, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.8 × 1.4 cm
Weight: 
16.00gr
Description

Nice specimen with few yellowish brown bariopharmacosiderite cubes on matrix.

Mineral Data
What's on the rock

Bariopharmacosiderite

Formula: 
Ba0.5Fe3+4(AsO4)3(OH)4·5H2O
Strunz: 
8.DK.10
Crystal System: 
Tetragonal
Hardness: 
2.5
Type Locality: 
Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany