Mexican Jalisco Rainbow Obsidian Rough Chunk! Cripple Creek Jasper ranging from Matte to Mirror

ranging from Matte to Mirror depending on the individual chunk

Weight: Approx 2 lbs 12

and I was just informed that the mine this comes from has been permanently shut down

This slab does have a rough offcut

Mexican Jalisco Rainbow Obsidian Rough Chunk! Cripple Creek Jasper ranging from Matte to MirrorMexican Rainbow Obsidian is also known as Jalisco Obsidian. It tends to be a pretty pure form of Obsidian, with high flash and bright colors. Typical chunks of Jalisco Obsidian normally have only one color of flash, though under rare circumstances, there can be multiple colors present. Unlike Velvet Obsidian, the magnetite in Rainbow Obsidian generally only flows in one direction, which creates the effect you see. Rainbow Obsidian does only flash