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

Ophiuroides sp

Found inside of mudstone concretion nodules

Species - Scyphocrinites elegans

The name fluorite comes from its use as a flux

Due to its incredibly vivid and deep coloration

There are 5 on this plate for reference of what they look like

sometimes in the same formations

This preglabellar ring (head shield) is covered in many sensory pits which may have held hairlike features when the trilobite was alive

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

A vivid and richly colored copper-based mineral

Flexycalymene Trilobite Fossils (Flexicalymene ouzregui) are approx

A widespread and industrially important mineral