Huge Velvet Obsidian Slab – Flashy Mexican Lapidary Stone with Color Shifts Green River Wyoming Old Time rock hounds use

Old Time rock hounds use to love this material as it grinds easy

This slab has been treated for cabbing

It has neat orb like structures and swirls from the colonizing bacteria that formed it

but some endcuts do exist that would be best as displays

Huge Velvet Obsidian Slab – Flashy Mexican Lapidary Stone with Color Shifts Green River Wyoming Old Time rock hounds useVelvet Obsidian Slab Large Old Stock with Intense Flash and Rare Color Play This is a massive slab of Mexican Velvet Obsidian, absolutely packed with vivid flash and layered velvet patterning. Velvet Obsidian is already a rare material, but finding it in a slab this large is exceptionally uncommon. Most pieces come out as small, trimmer sized chunksthis slab is a true collectors opportunity. Measurements (inches longest approx.): 8. 9 x 5. 9 x 0. 30