Assertion: beryllium | /r/AtLocation | coal
Facets:
value: naturally
type: MANNER
Source sentences:
text: Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust.
text: Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust.
text: Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust.
text: Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust.