Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Petrified Wood Slab but the color and wood

but the color and wood pattern usually make it well worth while to work around

which are often attached to each other

It greatly resembles the old material that use to be dug with Biggs Picture Jasper which went by the names of Biggs Picture Agate and Dolphite Agate

This is a fine collectors piece

It tends to take a very good polish as its a pretty hard form of jasper

Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Petrified Wood Slab but the color and woodTri 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