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Fencooperite

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AMM927785

Fencooperite

Rare Mineral

Description Tabs

Description
Locality: 
Trumbull Peak, Mariposa County, California, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 0.5 cm
Description

Specimen with typical black vitreous fencooperite contrasting in bright matrix. Only known from two localities worldwide. From type-locality. Ex Dr. Jaroslav Hyrsl.

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

Seller Information

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Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.