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Dussertite & Scorodite

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JYJ723808

Dussertite & Scorodite

SEM-EDS confirmed sample no 2019-06-07-105

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 0.75 cm
Description

"Not all that looks like segnitite is segnitite" This is especially true for the Clara mine (widespread range of elements), where all minerals of the alunite group have to be analysed. 

This sample hosts yellow brown dussertite associated with scorodite. Analysis attached. 

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

Scorodite

Formula: 
Fe3+AsO4·2H2O
Strunz: 
8.CD.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Stamm Asser Mine, Graul, Langenberg, Schwarzenberg District, Erzgebirge, Saxony, Germany
Analysis
Analysis Report - only: Dussertite & Scorodite
Analysis Report - only: Dussertite & Scorodite