Fluorite Mixed on Matrix Amethyst fluorite specimens have been prized

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

large calcite crystals and the dusting of fine gold from the pyrite is unique to specimens from this specific region of China and have not been found anywhere else

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

Each contains at least one (most several) clearly visible insect

fossils of Knightia eocaena and their close relatives are popular among both amateur and seasoned collectors due to their delicate preservation of detail

Fluorite Mixed on Matrix Amethyst fluorite specimens have been prizedFluorite 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