Assertion: cryolite | /r/HasProperty | uncommon mineral
Facets:
value: with very limited natural occurrence
type: OTHER
Source sentences:
text: Cryolite (Na 3 AlF 6 , sodium hexafluoroaluminate) is an uncommon mineral identified with the once-large deposit at Ivittuut on the west coast of Greenland, depleted by 1987.
text: Cryolite (Na 3 AlF 6 , sodium hexafluoroaluminate) is an uncommon mineral identified with the once large deposit at Ivigtût on the west coast of Greenland, depleted by 1987.
text: Cryolite is an uncommon mineral with very limited natural occurrence.