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, which ran out in 1987.
Cryolite (Na 3 AlF 6, sodium hexafluoroaluminate) is an uncommon mineral of very limited natural distribution. It is mostly identified with the once large deposit at Ivigtût on the west coast of Greenland, which ran out in 1987.