it is not uncommon for insects and other small animals to become trapped within tree sap
Originating from the famed Green River Formation in Wyoming
and is one of the more common gems although pieces of exceptional hue and clarity are considered fairly rare and can be extremely valuable
and because of this they are one of the most frequently found vertebrate fossils on earth
Amber is the fossilized resinous tree sap from conifer trees
Fluorite Cubes on Matrix Fluorite it is not uncommon forFluorite 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