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nouna common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorustype of:
Definition that contains apatite
- f a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
- tb a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
- tm a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
- fluorine a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
- terbium a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
- thulium a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
- fluorapatite a form of apatite in which fluorine predominates over chlorine
- atomic number 65 a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
- atomic number 69 a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
- atomic number 9 a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite