Assertion: chromite | /r/HasProperty | oxygen
Facets:
Source sentences:
text: Chromite is an oxide mineral composed of chromium, iron, and oxygen (FeCr 2 O 4 ).
text: Chromite is an oxide mineral composed of chromium, iron, and oxygen (FeCr 2 O 4).It is dark gray to black in color with a metallic to submetallic luster and a high specific gravity.