Tri-Flow Obsidian Rough Chunk! Amethyst Lace as these are taken with

as these are taken with a tape measure

and can work into some amazing cabs

The old stock Starburst Rhyolite cuts fantastically

but it sure is gorgeous

Tri-Flow Obsidian Rough Chunk! Amethyst Lace as these are taken withTri 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