Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Mookaite Jasper Velvet Obsidian can have a

Velvet Obsidian can have a skin that covers the pattern

Most Septarian Nodules come from Utah and Morocco

Origin of this incredible specimen is unknown

and is a high quality jasper that takes an excellent shine and works into some gorgeous cabochons

This agate shows some indications of possibly being a bog agate

Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Mookaite Jasper Velvet Obsidian can have aTri 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