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Coffinite

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ZSO862918

Coffinite

Radioactive

Description Tabs

Description
Locality: 
Kővágószőlős, Mecsek Mountains, Baranya County, Hungary
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 1.5 cm
Description

Grey, black and greenish-grey microcrystals on sandstone 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

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