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

can on occasion cut with decent cell pattern and blue tints

This material can make some nice cabs

Petrified Wood

Measurements (Approx - Longest - Inches): 7

Measurements (inches - longest - approx): 3 x 2

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