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Fraipontite Duftite Rosasite & Willemite

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JYJ787091

Fraipontite Duftite Rosasite & Willemite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.8 × 0.6 cm
Description

White fraipontite spheres associated with intense green duftite, bluish-green rosasite and white to colourless willemite. 

Beautiful combination. 

 

Mineral Data
What's on the rock

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

Duftite

Formula: 
PbCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Rosasite

Formula: 
(Cu,Zn)2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Rosas Mine, Narcao, Carbonia-Iglesias Province, Sardinia, Italy

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