Assertion: silicon | /r/HasProperty | extracted
Facets:
value: from silica
type: LOCATION
Source sentences:
text: However, to turn this silica into silicone, the silicon must be extracted and processed.
text: However, to make silicone, silicon is extracted from silica (it rarely exists by itself in nature) and passed through hydrocarbons to create a new polymer with an inorganic silicon-oxygen backbone and carbon-based side groups.