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Coffinite & Corvusite

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SHS193140

Coffinite & Corvusite

Description Tabs

Description
Locality: 
Gateway, Uravan, Mesa County, Colorado, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.1 × 1 cm
Description

 Nice coffinite and corvusite in matrix

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

Corvusite

Formula: 
(Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20·6-10H2O
Strunz: 
4.HE.20
Hardness: 
2.5 - 3.0
Type Locality: 
Jack claim, La Sal District, North Mountain, La Sal Mts, Grand Co., Utah, USA