Tri-Flow Mahogany Obsidian Slab! Lapidary Stone Slab! Mexican Crazy Lace Jasper It is a spectacular form

It is a spectacular form of petrified wood

Mitchellite

Most Septarian Nodules take an excellent polish and work into some fine cabochons or display slabs

Weight: Approx 1 lbs 2

Measurements (inches - longest - approx): 11

Tri-Flow Mahogany Obsidian Slab! Lapidary Stone Slab! Mexican Crazy Lace Jasper It is a spectacular formTri 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