Tri-Flow Mahogany Obsidian Slab Lapidary Stone Slice Cut Rock Roan Leopard Marble They are approx 95 million

They are approx 95 million years old

parts of multiple tunnels from wood boring beetles are present

This material has a lot of variety

Most of this material is pulled from an old stock collection and is believed to have been originally dug prior to the 1970s

Tri-Flow Mahogany Obsidian Slab Lapidary Stone Slice Cut Rock Roan Leopard Marble They are approx 95 millionTri 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