Assertion: cadmium | /r/AtLocation | zinc ore
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Cadmium is usually found in zinc ore, but also in the mineral greenockite.
text: Cadmium (Cd) is a soft, malleable, bluish white metal found in zinc ores, and to a much lesser extent, in the cadmium mineral greenockite.