Green Clear Fluorite Tanzanite The spectacular display of colors

The spectacular display of colors these specimens display can be formed by two different geological processes: the oxidation of pyrite causing ultra-thin layers of iron oxide to form on the surface

Amethyst is a form of Quartz which gets its beautiful purple tint from the substitution of silicone for iron due to irradiation

Pea Crabs of the genus Pinnixa lived in what is now modern-day California approximately 12-16 million years ago

An absolutely remarkable show piece that has a dramatic ability to catch light on two levels

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

Green Clear Fluorite Tanzanite The spectacular display of colorsFluorite 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