Highgrade Mexican Velvet Obsidian Rough Chunk! Jurassic Some of those included are

Some of those included are Coprolite

It tends to be pretty solid and takes an excellent polish

with some being the perfect size to put to the grinding wheel to make cabs

or it can be a bright and colorful display

Highgrade Mexican Velvet Obsidian Rough Chunk! Jurassic Some of those included areMexican Velvet Obsidian is a higher quality obsidian with loads of magnetite that create the velvet like pattern and flashes within! It often features many different colors, and it works into some truly amazing cabochons! It takes an excellent polish and generally cuts fracture free! They can also make awesome pendants or can be great for wire wrapping projects! The color in velvet obsidian is light sensitive. In order to see it, you need to be under