Highgrade Mexican Velvet Obsidian Rough Chunk! Agatized Coprolite Sadly though

Sadly though

They are more closely related to a living octopus

and some unidentified Obsidian from Glass Butte Oregon

This slab is unique in the fact that it appears to have water lines (osmosis) within it

Highgrade Mexican Velvet Obsidian Rough Chunk! Agatized Coprolite Sadly thoughMexican 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