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Beidellite

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SKY672842

Beidellite

Rare Mineral

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1 cm
Description

White crystal aggregates of beidellite, a fairly common mineral worldwide, but very rare at Tsumeb.

Analyzed specimen, see copy of the analysis included.

Mineral Data
What's on the rock

Beidellite

Formula: 
(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2·nH2O
Strunz: 
9.EC.40
Crystal System: 
Monoclinic
Hardness: 
1.0 - 2.0
Type Locality: 
Beidell, Crystal Hill District, Saguache Co., Colorado, USA

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