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Chervetite Mounanaite Curienite & Francevillite

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Chervetite Mounanaite Curienite & Francevillite

Description Tabs

Description
Locality: 
Mounana Mine, Franceville, Haut-Ogooue, Gabon
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.3 × 3 cm
Description

Intense red francevillite associated with colourless chervetite, green lenoblite coating, yellow fine crystalline curienite and orange-red mounanaite in fillings of the cavities. Comes with an old label dating to 1967. Historic specimen. 

 

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

Mounanaite

Formula: 
PbFe3+2(VO4)2(OH,F)2
Strunz: 
8.CG.15
Crystal System: 
Triclinic
Hardness: 
0.0
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

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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