fluorite
1. [ noun ] (geology) a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
Synonyms: fluor fluorspar
Related terms: mineral calcium fluorine
Similar spelling:   fluoridate
  fluoride
  fluoridize
  fluoridise
  Floridian
  florid
  floret
  floridness
  Florida
  flow_rate
  floridly
  floored