fluorite

random

“Therefore everyone who hears these words of mine and puts them into practice is like a wise man who built his house on the rock. Matthew 7:24 NIV

tagged

In 1852, fluorite gave its name to the phenomenon of fluorescence, which is prominent in fluorites from certain locations, due to certain impurities in the crystal.

tags

calcium fluoride
mineral

Wikidata

https://www.wikidata.org/wiki/Q102151

Wikipedia

Fluorite (Wikipedia) Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon.