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Adamite On Willemite

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Adamite On Willemite

Description Tabs

Description
Locality: 
Puttapa, Leigh Creek, Flinders Ranges, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 2.5 × 4.2 cm
Description

A good specimen of white willemite from this mine showing both botryoidal layers and very small crystals, giving a nice sheen to the area inside the vugh. Some small dark coloured adamite crystals are scattered over the surface here too.

Mineral Data
What's on the rock

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
white
Type Locality: 
Chañarcillo, Copiapó Province, Atacama Region, Chile

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
Gondwana Minerals