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Carnotite Davidite-(La) & Ilmenite

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GND33023

Carnotite Davidite-(La) & Ilmenite

Collected by seller in 2006
Radioactive

Description Tabs

Description
Locality: 
Radium Hill Mine, Olary Province, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 1.5 cm
Description

Powdery yellow carnotite forms as an alteration product of davidite-(La) which forms disseminated dark vitreous blebs in massive grey ilmenite matrix.

Under magnification, the carnotite can be seen to also form small flaky crystals. A great type locality and combination specimen.

Mineral Data
What's on the rock

Carnotite

Formula: 
K2(UO2)2(VO4)2·3H2O
Strunz: 
4.HB.05
Crystal System: 
Monoclinic
Hardness: 
2.0
Type Locality: 
Rajah Mine, Uravan District, Montrose Co., Colorado, USA

Davidite-(La)

Formula: 
(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38
Strunz: 
4.CC.40
Crystal System: 
Trigonal
Hardness: 
6.0
Colour: 
Black
Type Locality: 
Radium Hill mine (Smith's Carnotite Mine; Radium Hill), Radium Hill area, Olary Province, South Australia, Australia...

Ilmenite

Formula: 
Fe2+TiO3
Strunz: 
4.CB.05
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
5.0 - 6.0
Type Locality: 
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...
Gondwana Minerals