Assertion: calcium carbonate | /r/HasProperty | abundant
Facets:
value: in nature as chalk or limestone
type: LOCATION
value: particularly
type: DEGREE
value: in nature
type: LOCATION
Source sentences:
text: Calcium carbonate is abundant in nature.
text: Calcium carbonate (CaCO 3 ) and calcium sulfate (CaSO 4 ) are particularly abundant minerals.
text: It is abundant in nature as chalk or limestone.