some with highlights of purple or blue around the outer edges
petrified wood can display an enormous variety of colors
and blues as well as the more commonly encountered clear or pale white
Calcite is clear naturally but it can be found in a variety of brilliant colors due to the presence of chemical impurities during formation
Each of our fish fossil specimens has been expertly prepared and is 100% authentic and unrestored or repaired
Yellow Fluorite Meteorite some with highlights of purpleFluorite 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