Mexican Velvet Obsidian Rough Chunk! Betrandite and they appeared to have

and they appeared to have a mix of clear blue agate or clear carnelian

Here is a stunning 2 lbs 14 oz Polished display specimen showing some high grade flash

It can be a great material for cabbing

Here is a gorgeous slab of the rare Mexican Fortification agate known as Laguna Agate

Broken Botswanas are a little more common

Mexican Velvet Obsidian Rough Chunk! Betrandite and they appeared to haveMexican 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