Mexican Jalisco Rainbow Obsidian Rough Chunk! Flatrate This is great cabbing material

This is great cabbing material

Measurements (inches - longest - approx): 5 x 5 x

There are some truly stunning cutters and trimmers in this box

Indonesian Fossil Coral is a form of Silicated Coral of Lapidary grade

and some wild designs

Mexican Jalisco Rainbow Obsidian Rough Chunk! Flatrate This is great cabbing materialMexican 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