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Vermiculite

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ESM548964

Vermiculite

Description Tabs

Description
Locality: 
Democrat, Buncombe County, North Carolina, United States of America
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 6.5 × 1 cm
Description

Lustrous bronze colored vermiculite (Jeffersite)  micaceous plate

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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