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Bariopharmacosiderite

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WND793768

Bariopharmacosiderite

Rare Mineral, Type Locality
Classic Locality

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.4 × 2 cm
Description

A superfine thumbnail specimen with numerous, brown and excellent defined cubes of rare bariopharmacosiderite from its type locality,- and this is not just a crumb. It is a richly covered specimen with razor sharp and highly lustrous crystals of this arsenate. Mostly perfect.

That species was named originally as barium-pharmacosiderite from Prof. K. Walenta in 1966 in illusion to its composition. Renamed by the IMA in 2008.

 

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
Wendel Minerals

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