Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Big Diggins Outback Jasper is a Jasper

Outback Jasper is a Jasper from Western Australia that was a seam jasper located within a layer of banded chert

and specimens of this grade are nearly impossible to come by

As a result

it's gone for good

We don't recommend touching it to a wheel less than 220 grit

Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Big Diggins Outback Jasper is a JasperTri 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