fluorite

IPA: fɫˈʊraɪt

(mineralogy) 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.

Examples of "fluorite" in Sentences

Elder Son's Sweet Fiance, wears the purple fluorite, which is very pretty.
I passed Johnny a fluorite stone and proceeded to cast a circle around us.
Fluorspar is the trade name for the mineral fluorite, which is composed of calcium fluoride.
The fluorite tumbled to the left, rolled toward me, spun on blank slate and rolled toward Johnny.
Directing my awareness onto the fluorite resting on the pentacle, my first few questions would be easy, to set the tone.
Crystals of calcium fluoride (CaF2), also known as fluorite and fluorspar, are used to make lenses to focus infrared light.
But when the little fluorite spun halfway around, I knew this was a sign to reverse the rune and change the meaning to trickery and lies.
When the fluorite rolled back to Ansuz, then tumbled across the slate as if it were running away and stopped abruptly on Nauthiz, however, my confidence returned; there was a purpose in this reading.
In the western United States many metalliferous deposits carry large amounts of fluorite, which is treated as a gangue or waste mineral, but which could be profitably extracted if there were local markets.