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NASTURAN [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-09-22

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
UO2
formula, see observation
DEF

A massive brown to black variety of uraninite found in hydrothermal sulfide-bearing veins [and having] a distinctive pitchy to dull luster.

OBS

Pitchblende contains a slight amount of radium, but thorium and the rare earths are generally absent.

OBS

Chemical formula: UO2

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
UO2
formula, see observation
DEF

Minéral (oxyde) du système cristallin cubique [qui est une] variété d'uraninite massive, rencontrée dans les pegmatites granitiques et dans les filons hydrothermaux.

OBS

Formule chimique : UO2

Spanish

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