Assertion: cryolite | /r/HasProperty | sodium hexafluoroaluminate
Facets:
Source sentences:
text: Then on 9 February 1886 Hall discovered that cryolite (sodium hexafluoroaluminate, Na 3 AlF 6 ), once heated beyond its melting point of 1,000ºC with his gasoline-powered furnace, dissolved alumina like sugar in coffee.