Assertion: alloy's nickel | /r/AtLocation | tiny amounts
Facets:
value: in ultramafic rocks
type: LOCATION
value: even so
type: DEGREE
Source sentences:
text: Even so, pure native nickel is found in Earth's crust only in tiny amounts, usually in ultramafic rocks, and in the interiors of larger nickel–iron meteorites that were not exposed to oxygen when outside Earth's atmosphere.