Fluorite Mixed on Matrix

Fluorite Mixed on MatrixFluorite 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

Aquamarine is a form of Beryl crystal long sought after as a gem and precious stone due to its beautiful blue-green hue and clarity

from the middle Miocene around 12-16 million years ago

such as agates

high shine mica and range in hue from nearly clear to classic sea green to deep blue

the Creede Quadrangle in Colorado

Middle Devion period

Beautifully preserved on slabs of flat shale

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

silky and lustrous texture of these fibrous Malachite specimens combined with the incredibly rich color make them deservedly popular among collectors

highly variable Chalcedony spheres or roses are almost geode-like in appearance and one can clearly see the process of geode or agate formation in progress in each specimen

first on the surface and then from the glittering pyrite within

Malachite has been mined for both use in copper tools and for ornamentation and jewelry