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Francevillite & Mounanaite

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RSG1172671

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Description
Locality: 
Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1.9 × 1.3 cm
Description

Francevillite occurs here as well-developed radiating aggregates, made up of prismatic crystals forming rosettes. Their intense orange color creates a striking contrast against the dark matrix.

Associated mounanaite appears as duller dark brown areas, providing a textured background that enhances the main crystallizations.

In some areas, small bright yellow zones add further visual interest and richness to the specimen.

The arrangement of crystals is both dense and well-balanced, giving the piece a very aesthetic and graphic appearance, typical of uraniferous associations from Mounana.

In a box 2.8x2.8cm, labelled

FoV : 3.00mm

Ex J. Valverde

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

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

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Shipping Information

Postage Area Price
FRANCE
€6
EUROPE
€8
MONDE / WORLD
€10
USA - Packages
€40
View sellers shipping policy

Shipping every Thursday mornings

All the items will be sent in padded envelope so the shipping costs will be reduced and the item protected as good as possible. However if you order several items, a parcel will be better.

The shipping price includes the price of the padded envelope.

We keep attention to all of our package and try to deliver the parcel as quick as possible to the costumer.
 

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

No refund on the items

When you win an auction, please pay within the end of the month of the auction. If you have not paid by the end of this selling period the item will be relisted or a litigation will be open.

If you have any questions or enquiries, we will be happy to answer to them

 

Bid History

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