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Sidpietersite & Plumboselite

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JYJ823360

Sidpietersite & Plumboselite

SEM-EDS, Raman & SC-XRD microdiffraction conf. no 718

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.8 × 1.2 cm
Description

SEM-EDS, Raman & SC-XRD microdiffraction confirmed sidpietersite with plumboselite and hydrocerussite no 718. The Raman spectrum of sidpietersite shows a transition at around 440cm^(-1) [thiosulfate]. Sidpietersite occurs as parallel sheets on galena coated by hydrocerussite (SXRD confirmed) and SEM-EDS & Raman confirmed acicular plumboselite. The formation of selenite and thiosulfate requires special conditions. Associated with scotlandite.

Analysis in the analytical section. 

 

Mineral Data
What's on the rock

Sidpietersite

Formula: 
Pb4(S2O3)O2(OH)2
Strunz: 
7.JA.05
Crystal System: 
Triclinic
Hardness: 
1.0 - 2.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Plumboselite

Formula: 
Pb3O2(SeO3)
Hardness: 
2.0 - 3.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Analysis
Analysis Report - only: Sidpietersite & Plumboselite
Analysis Report - only: Sidpietersite & Plumboselite
Analysis Report - only: Sidpietersite & Plumboselite
Analysis Report - only: Sidpietersite & Plumboselite