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Fontanite & Coffinite

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UFO692842

Fontanite & Coffinite

Description Tabs

Description
Locality: 
Bukov Mine, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 2 × 0.6 cm
Description

Very rare specimen of micro crystals of Fontanite in the company of black grains of Coffinite in matrix

Mineral Data
What's on the rock

Fontanite

Formula: 
Ca(UO2)3(CO3)4·3H2O
Strunz: 
5.EC.05
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Rabejac, Lodève, Hérault, Languedoc-Roussillon, France

Coffinite

Formula: 
(U4+,Th)(SiO4)1-x(OH)4x
Strunz: 
9.AD.30
Hardness: 
5.0 - 6.0
Type Locality: 
La Sal No. 2 Mine, Beaver Mesa, Mesa Co., Colorado, USA

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Upon auction close, you will be sent an invoice indicating final value of the specimen with applicable shipping cost. Payments must be made by Paypal within 10 days of auction close unless other arrangements have been made with us

We want you to be pleased with your purchase. If for any reason you are not completely satisfied, you may exchange or credit your purchase
If you still not receive the item 30 days after you paid, please tell us, we will refund your money. If a package is lost or damaged, please report the problem immediately.


Any questions or comments please email us at: [email protected]


Thank you for your bidding !