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Vermiculite

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SHS111905

Vermiculite

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Description
Locality: 
Osamu Utsumi Mine, Campo do Cercado, Poços de Caldas, Minas Gerais, Brazil
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.2 × 0.7 cm
Description

Nice piece of vermiculite sheets

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
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