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Chervetite Francevillite & Curienite

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CAM163398

Chervetite Francevillite & Curienite

Type Locality

Description Tabs

Description
Locality: 
Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.5 × 1.4 cm
Description

An excellent combination specimen from the Mounana Mine in Gabon.
The specimen has a very rich coverage of greyish crystals and aggregates of the rare lead-vanadate chervetite associated with brigth orange-red clusters of francevillite and yellow earthy coatings of the rare lead-uranyl-vanadate curienite on matrix.
Type Locality for all three species.

Mineral Data
What's on the rock

Chervetite

Formula: 
Pb2(V2O7)
Strunz: 
8.FA.15
Hardness: 
2.0 - 2.5
Type Locality: 
Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon

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

Curienite

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

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