Tri-Flow Mahogany Obsidian Slab Lapidary Stone Slice Cut Rock Wilkes Formation Velvet Obsidian is mostly old

Velvet Obsidian is mostly old stock

The pieces in this mix range in size from tumbling-grade fragments to larger cutter-sized chunks

however I am unsure if this has ever been proven

The last two photos are taken dry so you can see any potential defects

and tend to be a favorite among collections

Tri-Flow Mahogany Obsidian Slab Lapidary Stone Slice Cut Rock Wilkes Formation Velvet Obsidian is mostly oldTri 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