Yellow Fluorite Agate Chalcedony has a unique crystalline

Chalcedony has a unique crystalline structure that gives it an enormously variable appearance

These incredible specimens of natural uncut aquamarine from Mount Little Xuebaoding in Sichuan

both extinct and modern

Creedite is a rare mineral in the hydoxylhalide group and is often formed from the intense oxidation of fluorite formations

fluorite specimens have been prized since ancient times and are now among the most popular minerals in the collecting world

Yellow Fluorite Agate Chalcedony has a unique crystallineFluorite 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