Mexican Velvet Obsidian Lapidary Rough Chunk Volcanic Glass Cretaceous Here is a stunning 7

Here is a stunning 7 lbs 2 oz Polished display specimen showing some high grade flash

Half a pound is often about half a handful

Weight: Approx 1lbs 15 oz

The magnetite in this one is present

One thing that is certain though

Mexican Velvet Obsidian Lapidary Rough Chunk Volcanic Glass Cretaceous Here is a stunning 7Mexican 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,