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Coffinite

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CR22277

Coffinite

Radioactive

Description Tabs

Description
Locality: 
Poison Canyon, McKinley County, New Mexico, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.6 × 6.5 × 2.6 cm
Description

Coffinite (black) filling spaces between sandstone grains.

Rich.

This mineral is naturally radioactive.

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