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THO2 [1 record]

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Record 1 2021-07-14

English

Subject field(s)
  • Radioactive Ores (Mining)
  • Mineralogy
  • Economic Geology
Universal entry(ies)
ThO2
formula, see observation
DEF

A radioactive mineral that crystallizes in the isometric system, occurs in worn cubic crystals, is brownish black to reddish brown in color, and has resinous luster ...

OBS

... hardness is 7 on the Mohs scale, and specific gravity is 9.7-9.8.

OBS

Chemical formula: ThO2

French

Domaine(s)
  • Minerais radioactifs (Mines métalliques)
  • Minéralogie
  • Géologie économique
Entrée(s) universelle(s)
ThO2
formula, see observation
OBS

C'est un minéral [...] à éclat submétallique, noir, à poussière noire; cassure inégale; d = 6,5, [la masse spécifique] = 9,8. Elle a son gîte primaire dans certaines pegmatites, mais assez stable, on la trouvera dans certains sables associés avec des minéraux stables et de haute densité : zircon, ilménite, geikélite, thorite, monazite, etc.

OBS

Formule chimique : ThO2

Spanish

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