and because of this they are one of the most frequently found vertebrate fossils on earth
which over the course of millions of years becomes solid while retaining the semitransparent yellowish hue of tree sap
and is one of the more common gems although pieces of exceptional hue and clarity are considered fairly rare and can be extremely valuable
Creedite is a rare mineral in the hydoxylhalide group and is often formed from the intense oxidation of fluorite formations
Fluorite is one of the most variable of all crystalline minerals
Fluorite Cubes on Matrix Fluorite and because of this theyFluorite 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