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Noun apatite has 1 sense
  1. apatite - a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus
    --1 is a kind of     mineral
    --1 has substances:
     phosphorus, P, atomic number 15; terbium, Tb, atomic number 65; thulium, Tm, atomic number 69
     --1 has particulars: fluorapatite
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