Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Lace Agate though one of these do

though one of these do show a fracture line

which can be fragile and sensitive to moisture

this is one box you won't want to miss out on

solid and stable for cutting

Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Lace Agate though one of these doTri 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