Assertion: silica | /r/AtLocation | quartz
Facets:
Source sentences:
text: Silica, which is actually silicon dioxide (SiO2), is the same material found in quartz.
text: Silica, or silicon dioxide (SiO2), is the same material found in quartz.
text: Silica is the same material found in quartz, and in a gel form it contains millions of pores capable of absorbing and holding moisture—hence its use in packaging.
text: Silica, or silicon dioxide (SiO2), is the same material found in quartz.
text: Silica is a highly common, crystal-like mineral found in sand, rock, and quartz.