Assertion: graphite | /r/HasProperty | mined
Facets:
Source sentences:
text: After graphite is mined, it usually requires a considerable amount of mineral processing like froth flotation to concentrate the graphite.
text: Graphite, also known as black lead, crystallized carbon, plumbago, and mineral carbon, has been mined and used for a surprisingly large number of applications.
text: Graphite is a naturally occuring form of Carbon that is mined, ground and separated into desired sized particles.
text: Although much graphite is natural and mined, there are processes for the manufacture of graphite from carbon containing compounds.