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Willemite With Rosasite

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PDM1010507

Willemite With Rosasite

Fluorescent

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.8 × 2.5 cm
Weight: 
44.00gr
Description

Blue-green gemmy crystals of willemite of intense green fluorescence under short ultraviolet light, associated to botryoidal fibrous blue rosasite. An aesthetic representative piece from Willy Israel (with his label), a well-known Belgian collector of Tsumeb minerals who bought it in Tsumeb in 1978.

Combine specimens to reduce shipping costs!.

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

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

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