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Francevillite

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UVM712735

Francevillite

Radioactive

Description Tabs

Description
Locality: 
Pandora Mine, La Sal, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 1.8 × 1.1 cm
Description

Diamond shaped yellow crystals of francevillite, rich in sandstone matrix.   Alternately, these could be crystals of the visually identical mineral finchite which was described in 2017.

Mineral Data
What's on the rock

Francevillite

Formula: 
(Ba,Pb)(UO2)2(VO4)2·5H2O
Strunz: 
4.HB.15
Hardness: 
3.0
Type Locality: 
Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon

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