Tri-Flow Mahogany Obsidian Slab! Lapidary Stone Slab! Brazilian If you line it up

If you line it up just right

Here is a pretty Gem Dinosaur bone showing some interesting dark cell pattern

Mosasaurs had long and powerful bodies whose tails and limbs were adapted for swimming

Most are trimmer sized chunks

dating back to the Eocene Epoch—approximately 48 million years ago

Tri-Flow Mahogany Obsidian Slab! Lapidary Stone Slab! Brazilian If you line it upTri Flow Obsidian comes from Glass Butte Oregon, and is a gorgeous form of mahogany obsidian that often has multiple grains and currents of flow! Tri Flow can make some designer grade cabochons, as the obsidian between is often pure and almost completely see through when held to light or cut thin enough, and the waves of pattern are often in layers! The color generally comes from Magnetite that was present in the lava flow! Tri Flow Obsidian is