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Vermiculite

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CLB106901

Vermiculite

Description Tabs

Description
Locality: 
Ondurukurume, Kalkfeld, Omatako, Otjozondjupa Region, Namibia
Size Range: 
Cabinet (10-18 cm)
Size: 
11.2 × 7 × 0.4 cm
Description

A plate of mirror-luster bronce vermiculite mica. Vermiculite has the capacity to expand when heated.

Mineral Data
What's on the rock

Vermiculite

Formula: 
(Mg,Fe,Al)3((Al,Si)4O10)(OH)2·4H2O
Strunz: 
9.EC.50
Hardness: 
1.5 - 2.0
Type Locality: 
Millbury, Worcester Co., Massachusetts, USA

Seller Information

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