Thorianite

Penetration twin

Origin: Huddersfield, Quebec, Canada

Owner: Lou Perloff

Microscopic image

 

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Photo-Atlas of Minerals

Origin: Monte Somma, Vesuvius, Naples Province, Campania, Italy

Picture size: 1.3 mm

Owner: Thomas Witzke

 

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Origin: Betroika, Madagascar
ex. Jean Behier Collection

Sample size: 1.7 x 1.5 x 1.1 cm (top left), 2 x 1.6 x 1.3 cm (top right), 2.1 x 2.3 x 1.7 cm (bottom)

 

  

  

Origin: Fort Dauphin Region, Tulear Province, Madagascar

Sample size: 1.2 x 1.2 x 1.0 cm

 

  

Origin: Andranondambo, Androy District, (Fort Dauphin) Region, Tuléar (Toliara ) Province, Madagascar

Sample size: 7.5 x 6 x 5 mm

 

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Variety uranothorianite

Origin: Ihosy, Madagascar

Sample size: 7 mm single crystal

 

Black crystal in a white and orange coloured calcite-apatite mixture

Origin: Bancroft, Ontarion, Canada

Sample size: thumbnail

 

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Origin: Huntoon, Sri Lanka

Sample size: 11 small 1-2 mm cubic crystals

 

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