Pearl Charms & Pendants

Sold Individually What is it: Pure fluorite is transparent, both in visible and ultraviolet light, but it is the presence of impurities which make it a colorful mineral. Industrially, fluorite is used as a flux for smelting, and in the...

Sold Individually What is it: Amethyst is a purple variety of quartz (SiO2) where the violet color is caused by irradiation or impurities of iron which result in complex crystal lattice substitutions. History: The name comes...