It is so active that it is not found free in nature, but in the combined state, and is very abundant. It occurs as either the mineral fluorine, or the mineral cryolite. Freon, the refridgerant, contains fluorine. Cryolite or sodium aluminum floride, is an important flux in the electrolytic production of aluminum metal. Compounds of fluorine and carbon are important because of their heat and fire resistance.
Fluorine is found in tap water and toothpaste, which have benifical effects on the teeth.
Other fluorine compounds are used as insecticides and wood preservatives. Credit Cards or Company PO accepted. Then use your back button to return to this site.