Large Tri-Flow Obsidian Slab! Lapidary Stone Slab! Opal Wood and while a photo may

and while a photo may look just like the rock on my end

and I will do my best to accommodate your request during packing

larger cutter pieces vs

Measurements (inches - longest - approx):  4

It can have some pretty amazing designer cabochon potential

Large Tri-Flow Obsidian Slab! Lapidary Stone Slab! Opal Wood and while a photo mayTri 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