Mexican Velvet Obsidian Lapidary Rough Chunk Volcanic Glass Lapidary Stone Slab This lot is from the

This lot is from the last mining trip

Weight: Approx  11

It goes by multiple names

Chinese Rainbow Fluorite often has multiple layers of colors

Mexican Velvet Obsidian Lapidary Rough Chunk Volcanic Glass Lapidary Stone Slab This lot is from theMexican Velvet Obsidian is a higher quality obsidian with loads of magnetite that creates a velvet like pattern and flashes within. It often features many colors and works into some genuinely amazing cabochons. It takes an excellent polish and generally cuts fracture free. They can also make awesome pendants or be great for wire wrapping projects. The color in velvet obsidian is light sensitive. In order to see it, you need to be under bright light,