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Chervetite With Francevillite & Vanuralite & Mounanaite

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AMM1014801

Chervetite With Francevillite & Vanuralite & Mounanaite

Ex. ex. G. Gauthier Coll., ex. L. Vandenberghe Coll.
Radioactive

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Description Tabs

Description
Locality: 
Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 3.4 × 2.5 cm
Description

Breathtaking showpiece with four type localities on one specimen. The light grey elongated chervetite crystals, which reach a length of 1 centimetre, stand out. The main accompanying mineral is abundant red-orange francevillite. This is associated with strong yellow vanuralite and a small amount of mounanaite can also be seen. Mounanaite are the dark brown crystals that can be seen in the close-ups of the Francevillite in the background.

Typical and at the same time rarely offered specimen of high quality, which combines four of the type locality minerals occurring here. The size of the specimen is also remarkable. First-class show specimen.

Formerly from the Gilbert Gauthier collection (France), then from the Luc Vandenberghe collection (Belgium).

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

Vanuralite

Formula: 
Al(UO2)2(VO4)2(OH)·11H2O
Strunz: 
4.HB.20
Hardness: 
2.0
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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund. 

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