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Bartelkeite

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CR579267

Bartelkeite

EDS confirmed specimen
Rare Mineral

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.7 × 0.3 cm
Description

Lustrous bartelkeite crystal in a vug of the germanite matrix.

Ex Wolfgang Bartelke collection.

EDS confirmed specimen.

Mineral Data
What's on the rock

Bartelkeite

Formula: 
Pb(Fe2+Ge)[Ge2O7](OH)2·H2O
Strunz: 
9.J0.10
Crystal System: 
Monoclinic
Hardness: 
4.0
Streak: 
White
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Analysis
Analysis Report - only: Bartelkeite
Analysis Report - only: Bartelkeite
Analysis Report - only: Bartelkeite