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Chervetite & Francevillite

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AMM1045831

Chervetite & Francevillite

Rare Mineral

Description Tabs

Description
Locality: 
Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.5 × 1 cm
Description

Excellent specimen with lots of grey elongated chervetite crystals on matrix. In association with orange-yellow francevillite crystals.

Specimen from type locality for both minerals (chervetite and francevillite).

Chervetite is only known from eight localities worldwide, however, the best crystals of this mineral are only known from this mine.

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

Seller Information

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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.