Flower/Fireworks Obsidian Lapidary Cutting Rough Chunk Australian Outback Jasper and it retains its coral

and it retains its coral shape in the rough

It is typically a caramel color

Washington Petrified Wood

Be careful while handling though

Does have a partially healed fracture on one side

Flower/Fireworks Obsidian Lapidary Cutting Rough Chunk Australian Outback Jasper and it retains its coralFireworks 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