Noun calcite has 1 sense
  1. calcite - a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone
    --1 is a kind of
    spar
    --1 is a substance of limestone
    --1 has substance: calcium carbonate
    --1 has particulars:
     alabaster, oriental alabaster, onyx marble, Mexican onyx; chalk; Iceland spar
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