Assertion: ore mineral | /r/HasProperty | uraninite
Facets:
Source sentences:
text: The primary uranium ore mineral is uraninite (UO 2 ) (previously known as pitchblende).
text: Primary ore minerals are uraninite and pitchblende, which occur as cavity fills and coatings on quartz grains within permeable sandstone breccias within the pipe.
text: Ore minerals are uraninite and brannerite.