fluorspar
f loor spor
- n a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
- MINING SUBSIDIES of $155 million for depressed copper, lead, zinc, tungsten and fluorspar (PTI, May 19) passed Senate by such a high margin (70-12) that bill stands good chance of .
- Finally Chemist Midgley hit on dichlorodifluoromethane (carbon; chlorine; water; and the mineral, fluorspar).
- Originally put forward to bolster prices in five depressed industries (copper, lead, zinc, tungsten, fluorspar) and incidentally win support for the President's reciprocal trade .