Mexican Jalisco Rainbow Obsidian Rough Chunk! Sheen often smaller than fist sized

often smaller than fist sized but larger than a quarter

Its almost impossible to find now

The characteristic that is most noticeable in all species of Enchodus is the presence of large "fangs" at the front of the upper and lower jaws

It is still a pretty neat stone

Some are trimmers

Mexican Jalisco Rainbow Obsidian Rough Chunk! Sheen often smaller than fist sizedMexican 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