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Tsumgallite On Siderite

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JYJ723794

Tsumgallite On Siderite

SEM-EDS confirmed sample no 2019-06-04-I

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.7 × 0.7 cm
Description

SEM-EDS confirmed sample no 2019-06-04-I hosting filigrane SEM-EDS & Raman confirmed tsumgallite laths on siderite on corroded galena and renierite. The crystals form thin "rectangular" crystals clearly visible under the SEM. 

Very good and large crystals.

Mineral Data
What's on the rock

Tsumgallite

Formula: 
GaO(OH)
Strunz: 
4.FD.10
Hardness: 
1.0 - 2.0
Streak: 
white
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
Analysis
Analysis Report - only: Tsumgallite On Siderite
Analysis Report - only: Tsumgallite On Siderite
Analysis Report - only: Tsumgallite On Siderite