Assertion: polonium | /r/HasProperty | extracted
Facets:
value: from uranium ore
type: OTHER
value: from the uranium ore pitchblende
type: LOCATION
Source sentences:
text: Polonium was discovered in 1898 by Marie and Pierre Curie, when it was extracted from the uranium ore pitchblende and identified solely by its strong radioactivity: it was the first element to be so discovered.
text: By the way - I believe the polonium can be extracted but it would cost too much for us "can't affords" to buy food.
text: Polonium was discovered in 1898 by Marie and Pierre Curie, when it was extracted from uranium ore and identified solely by its strong radioactivity.
text: Polonium was discovered in 1898 by Marie and Pierre Curie, when it was extracted from uranium ore and identified solely by its strong radioactivity: it was the first element to be so discovered.