Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Petrified Wood Slab which are often attached to

which are often attached to each other

It takes a great polish

though it can differ piece to piece

they can be found all around the world

Some may be old stock that is no longer available

Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Petrified Wood Slab which are often attached toTri 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