Flower/Fireworks Obsidian Rough Chunk! Red Ribbon mainly composed of opal and

mainly composed of opal and silica

It tends to be very solid and take a great polish

Gem Fossil Dinosaur Bone is silica replaced

every piece of Coprolite sure has an interesting ancient untold story of its own

with it becoming harder and harder to find

Flower/Fireworks Obsidian Rough Chunk! Red Ribbon mainly composed of opal andFireworks Obsidian also goes by the name of Flower Obsidian. It is a very rare form of natural volcanic glass Obsidian found in Mexico. It has a very high mineral content, which gives this material its gorgeous pattern and colors! It often has chrysanthemum like flowering with a black or pink backdrop. It can take a decent polish, but with the impurities giving it this crazy display, it can often be fractured and pitted and may need to be stabilized