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Mounanaite Curienite & Francevillite

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BCK662514

Mounanaite Curienite & Francevillite

Kay Robertson collection
Type Locality

Description Tabs

Description
Locality: 
Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1 × 0.5 cm
Description

You are bidding on a small sample with rich reddish-brown clusters of tabular mounanaite crystals coating a fracture surface with very nice clusters of francevilleite. There is also one small yellow cluster of curienite present. The opposite side of the sample is completely covered with francevilleite crystals on which tiny mounanaite crystals have grown. Rich little micromount from the Kay Robertson collection. 

Mineral Data
What's on the rock

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

Seller Information

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