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Fencooperite

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CAM192792

Fencooperite

Type Locality

Description Tabs

Description
Locality: 
Trumbull Peak, Clearing House, East Belt, Mariposa County, California, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.3 × 1 cm
Description

Black to brown-black grains of fencooperite in a colourless sanbornite matrix, associated with some red gillespite masses.
Fencooperite is a rare barium-silicate-carbonate discovered in 2000.

Mineral Data
What's on the rock

Fencooperite

Formula: 
Ba6Fe3+3Si8O23(CO3)2Cl3·H2O
Strunz: 
9.BH.20
Hardness: 
4.5 - 5.0
Colour: 
Black
Type Locality: 
Trumbull Peak Ba-silicate deposit, Trumbull Peak, Clearing House, Clearing House District, East Belt, Mariposa Co., California, USA
Cartils Minerals

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