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Dussertite & Bariopharmacosiderite

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SER736214

Dussertite & Bariopharmacosiderite

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 3.1 × 2.1 cm
Description

several green dussertite crystals on quartz with brown cubic bariopharmacosiderite crystals

Mineral Data
What's on the rock

Dussertite

Formula: 
BaFe3+3(AsO4)2(OH)5
Strunz: 
8.BL.10
Hardness: 
3.5
Type Locality: 
Djebel Debar (Djebel Debagh), Hammam Meskoutine, Guelma, Constantine Province, Algeria

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