Fluorite Azurite One of the most widely

One of the most widely recognized and unmistakable minerals

and when exposed to the elements over a long period of time can change into the closely related malachite

Due to its incredibly vivid and deep coloration

Amethyst has been sought after since ancient times as a gemstone and decorative object

but most specimens have vivid color due to various impurities and are often fluorescent

Fluorite Azurite One of the most widelyFluorite is one of the most variable of all crystalline minerals, occurring in shades of blue, green, purple, red and many other colors corresponding to their physical makeup and conditions when the mineral was formed. The name fluorite comes from its use as a flux, or chemical cleaning agent, in iron smelting and other metallurgy. Pure fluorite is clear, but most specimens have vivid color due to various impurities and are often fluorescent. With a