# fluorite

> English word · Noun · IPA /ˈflʊɚˌaɪt/ · frequency rank #64,379

## Definitions
1. A widely occurring mineral comprising calcium fluoride plus or minus impurities, of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.

## Etymology
From fluor + -ite.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fluorite