Flower/Fireworks Obsidian Rough Chunk! Calico Splatted Oak Opal Wood It contains some features similar

It contains some features similar to Agua Nueva though

These gorgeous chunks have some nice plume showing

from an unknown location

Damascus Obsidian is a rare from of Obsidian from Davis Creek California

I've been told this could possibly be old stock Australian Petrified Wood

Flower/Fireworks Obsidian Rough Chunk! Calico Splatted Oak Opal Wood It contains some features similarFireworks 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