Huge Velvet Obsidian Slab – Flashy Mexican Lapidary Stone with Color Shifts Agatized I don't enhance images

I don't enhance images

It was a smaller fossil deposit that came to the surface

Weight: Approx 19

Cobalt or Manganese are often used instead of copper in blue

Weight: Approx 8 lbs 11

Huge Velvet Obsidian Slab – Flashy Mexican Lapidary Stone with Color Shifts Agatized I don't enhance imagesVelvet 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