Mexican Velvet Obsidian Lapidary Rough Chunk Volcanic Glass Indonesian Owyhee Jasper is famous for

Owyhee Jasper is famous for its rolling hills pattern

This slab is pretty meaty

Moroccan Gem Dinosaur Bone is a form of Dinosaur Bone from Morocco

Does have a couple partially healed fractures

and black opal

Mexican Velvet Obsidian Lapidary Rough Chunk Volcanic Glass Indonesian Owyhee Jasper is famous forThis is a lower grade velvet obsidian and would be a great one to practice on. Mexican 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