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noun fluo·rite \ˈflu̇r-ˌīt, ˈflȯr-\

Definition of fluorite

  1. :  a transparent or translucent mineral of different colors that consists of the fluoride of calcium and is used especially as a steelmaking flux and in the making of opalescent and opaque glasses

Origin and Etymology of fluorite

Italian, from New Latin fluor

First Known Use: 1868

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