(Staff) (1799). “Norwegische Titanerze und andre neue Fossilien [Norwegian titanium ores and other new minerals]” (German). Allgemeine Journal der Chemie2: 502. https://babel.hathitrust.org/cgi/pt?id=mdp.39015066692560&view=1up&seq=520."Zugleich theilte er … wie gefrorne Salzlauge schmilzt." (At the same time he also communicated a report on an especially white, spar-like mineral [that had been] brought a few years ago from Greenland to Denmark. According to one of the investigations undertaken regarding it, it consisted of alumina and hydrofluoric acid. 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.)