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Willemite

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CR732301

Willemite

Description Tabs

Description
Locality: 
Preguiça Mine, Moura, Beja District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 7 × 5.5 cm
Description

This is truely a fantastic specimen of gemmy clear willemite microcrystals.

The front side is covered with rather large perimorphs of lustrous and gemmy willemite on cerussite.

On the back side are hundreds of gemmy clear willemite crystals - single or in small groups.

Very beautiful under a lense or microscope !

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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