TriFlow Mahogany Obsidian Slab! Lapidary Stone Slab! Agate If you need larger than

If you need larger than tumbling sized chunks

the majority of Ochoco Tube Agate has been long since tapped out

This chunk of Petrified Wood looks to be petrified root knots

This material was often mossy with some gorgeous well defined agate

and this is certainly a batch of this increasingly rare material you won't want to miss out on

TriFlow Mahogany Obsidian Slab! Lapidary Stone Slab! Agate If you need larger thanTri 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