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Willemite

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Willemite

Classic Locality

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.6 × 2.8 cm
Description

A species not often encountered on the market from Mexico is is the zinc sillicate willemite.

The willemite forms a white botryoidal crystalline crust over the typical soft orange clay matrix. No damage. A good specimen for the species and locality.

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
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