bn:01669689n
Noun Concept
Categories: Minerals described in 1904, Thorium minerals, Oxide minerals, Radioactive minerals, Minerals in space group 225
EN
thorianite  uranothorianite
EN
Thorianite is a rare thorium oxide mineral, ThO2. Wikipedia
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EN
Thorianite is a rare thorium oxide mineral, ThO2. Wikipedia
A radioactive mineral containing thorium dioxide (ThO2) plus oxides of uranium, lanthanum, cerium neodymium and praseodymium in smaller quantities. Wiktionary
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