Tri-Flow Obsidian Rough Chunk! Spiderweb Obsidian can on occasion cut with

can on occasion cut with decent cell pattern and blue tints

though some variation can occur

Here is a gorgeous Oregon-Washington Old Stock chunk of Petrified Wood

The last photo has been taken of the cut face dry so you can see any defects

Tri-Flow Obsidian Rough Chunk! Spiderweb Obsidian can on occasion cut withTri 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