ヘキサフルオロアルミン酸ナトリウム
A compound of which no similar example has yet occurred in the mineral realm. It has received the name "cryolite" because it melts like frozen brine before the [flame of a] blowpipe.)
↑ Abildgaard, P. C. (1800). “Om Norske Titanertser og om en nye Steenart fra Grönland, som bestaaer af Flusspatsyre og Alunjord [On Norwegian titanium ores and on a new mineral from Greenland, which consists of hydrofluoric acid and alumina]” (Danish). Det Kongelige Danske Videnskabers-Selskabs (The Royal Danish Scientific Society). 3rd series 1: 305–316. http://babel.hathitrust.org/cgi/pt?