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Uraninite & Becquerelite

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UVM574507

Uraninite & Becquerelite

Radioactive

Description Tabs

Description
Locality: 
Geevor Mine, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 3.1 × 1.8 cm
Description

An excellent miniature size specimen of uraninite with becquerelite from Cornwall.   Bright yellow crystalline smears of electric yellow becquerelite on black uraninite, with some country rock on the rear of the specimen.

Mineral Data
What's on the rock

Uraninite

Formula: 
UO2
Strunz: 
4.DL.05
Crystal System: 
Isometric
Hardness: 
5.0 - 6.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Becquerelite

Formula: 
Ca(UO2)6O4(OH)6·8H2O
Strunz: 
4.GB.10
Crystal System: 
Orthorhombic
Hardness: 
2.5
Streak: 
Yellow
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Seller Information

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