Fluorite

FluoriteFluorite 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

Found inside of mudstone concretion nodules

As a mineral specimen or gemstone Barite can be found in many colors including vibrant reds

almost unmistakable for any other species

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

Amethyst has been sought after since ancient times as a gemstone and decorative object

An unparalleled collector's piece

Originating from the famed Green River Formation in Wyoming

Metacanthian Trilibite from the Mid Devonian Period

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

so much that the local tribes people used to use these mudstones as currency in trade and other daily life

Kataoua formation

Chalcedony can be found in a range of colors but most often occurs in semitransparent or white