Tri-Flow Mahogany Obsidian Slab! Lapidary Stone Slab! Thunder Egg and is considered an old

and is considered an old Oregon classic

Mexican Amethyst Lace

but the area that was mainly mined

with some being the perfect size to put to the grinding wheel to make cabs

Tri-Flow Mahogany Obsidian Slab! Lapidary Stone Slab! Thunder Egg and is considered an oldTri 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