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Chapmanite

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MNR699746

Chapmanite

Rare Mineral

Description Tabs

Description
Locality: 
Smilkov, Votice, Benešov, Central Bohemian Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.1 × 1 cm
Description

Chapmanite is quite rare antimony silicate. It's amorphous with yellow-green color. Nice sample.

Mineral Data
What's on the rock

Chapmanite

Formula: 
Fe3+2Sb3+(Si2O5)O3(OH)
Strunz: 
9.ED.25
Hardness: 
2.5
Type Locality: 
Keeley-Frontier Mine (Canadian Keeley; Frontier Mine; Keeley Mine), South Lorrain Township, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada