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Coffinite

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PJM41976

Coffinite

Radioactive

Description Tabs

Description
Locality: 
Sector 16 Mine, Jeffrey City, Fremont County, Wyoming, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
0.9 × 2.2 × 2 cm
Description

Black coffinite seam in matrix with secondary unidentified uranium oxides from the Sec 16 mine in now ghost town of Jeffrey City

Mineral Data
What's on the rock

Coffinite

Formula: 
(U4+,Th)(SiO4)1-x(OH)4x
Strunz: 
9.AD.30
Hardness: 
5.0 - 6.0
Type Locality: 
La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA
Earthstones Australia

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