Green Clear Fluorite Tanzanite and under optimal conditions these

and under optimal conditions these insects will be clearly visible within the fossilized amber pieces

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

These well preserved and larger-sized fossils originate from the Monterey Formation in California

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

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

Green Clear Fluorite Tanzanite and under optimal conditions theseFluorite 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