Highgrade Mexican Velvet Obsidian Rough Chunk! Rainbow Obsidian Due to the darkness of

Due to the darkness of the slab

You can even see the segments within the grub and what appears to be materials within its digestive tract or frass

it was just a chip that occurred during the grinding process

and can also have some amazing multi-colored moss

This is a used MT-4 Vibratory Rock Tumbler

Highgrade Mexican Velvet Obsidian Rough Chunk! Rainbow Obsidian Due to the darkness ofMexican 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