Jaw Dropping Velvet Obsidian Rough Flatrate! Fossil Coral and only allowing surface material

and only allowing surface material to be ethically collected

and 7000 Cerium Oxide for 3 days

Measurements (inches - longest - approx):  5

With these smaller ones though

It tends to take a matte polish

Jaw Dropping Velvet Obsidian Rough Flatrate! Fossil Coral and only allowing surface materialThis is a tumbling sized box. You could put them directly to the cabbing wheel or slice in half with a trimsaw to cab, but getting slabs would be difficult. This box has been hand selected to ensure each and every chunk has great velvet pattern somewhere within. These are all trimmer and small cutter sized! Velvet Obsidian does require decent light to see the color. It is much like opal in the sense that you need bright light, and it has to be turned