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Willemite & Fraipontite

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JYJ754121

Willemite & Fraipontite

EDS conf. specimen no 19-11-25-ts17

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.7 × 1.8 cm
Description

Blue willemite and pale green fraipontite aggregate with cerussite crystals from the famous Tsumeb mine. Specimen has the ID no 19-11-25-ts17.

Analysis attached. 

 

Mineral Data
What's on the rock

Willemite

Formula: 
Zn2SiO4
Strunz: 
9.AA.05
Hardness: 
5.5
Streak: 
White
Type Locality: 
Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium

Fraipontite

Formula: 
(Zn,Al)3((Si,Al)2O5)(OH)4
Strunz: 
9.ED.15
Hardness: 
2.5
Type Locality: 
Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium
Analysis
Analysis Report - only: Willemite & Fraipontite
Analysis Report - only: Willemite & Fraipontite