Assertion: silica | /r/AtLocation | sand
Facets:
value: naturally
type: MANNER
Source sentences:
text: Silica is a mineral found in soil, sand, various types of rocks, and other materials commonly found at construction sites.
text: Silica, in its crystalline form, is naturally found in soil, sand, granite, and many other minerals.
text: Silica is a highly common, crystal-like mineral found in sand, rock, and quartz.