TriFlow Mahogany Obsidian Slab! Lapidary Stone Slab! Gold Sheen Obsidian Photos above represent the approx

Photos above represent the approx quality and sizes you will receive

but sometimes the size of a quarter

This fossil appears to be completely natural

and Bat Cave Agate is a form of Moss Agate that can have nice colorations and patterns

This slab is no exception

TriFlow Mahogany Obsidian Slab! Lapidary Stone Slab! Gold Sheen Obsidian Photos above represent the approxTri 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