Main Entry:

fluo·rite

Pronunciation:

\ˈflu̇r-ˌīt, ˈflȯr-\

Function:

noun

Etymology:

Italian, from New Latin fluor

Date:

1868

: 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