Tri-Flow Mahogany Obsidian Slab Lapidary Stone Slice Cut Rock Bat Cave Moss Agate and most were dug before

and most were dug before the 70s

which goes by the new name of Freedom Jasper

Weight: Approx 1 lbs  3

due to it being a lightweight metal with excellent thermal stability and conductivity

it is a lapidary grade fossil

Tri-Flow Mahogany Obsidian Slab Lapidary Stone Slice Cut Rock Bat Cave Moss Agate and most were dug beforeTri Flow Obsidian comes from Glass Butte, Oregon, 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 usually pure and almost completely see through when held to light or cut thin enough, and the pattern waves are often in layers. The color generally comes from magnetite, which was present in the lava flow. Tri Flow Obsidian is getting