Large Tri-Flow Obsidian Slab! Lapidary Stone Slab! Opal Wood this slab has potential for

this slab has potential for lots of cabs and is certainly one you won't want to miss out on

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

Measurements (inches - longest - approx): 4

larger cutter pieces vs

which so far has shown a lot of promise

Large Tri-Flow Obsidian Slab! Lapidary Stone Slab! Opal Wood this slab has potential forTri 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