Tri-Flow Obsidian Rough Chunk! Mexican Obsidian Priday Ranch Thunderegg

Priday Ranch Thunderegg

It often has a grey background with black tinted lines that create some pretty abstract pattern

that you won't want to miss out on

Some are large enough to at least glue and get 2-3 more slabs

Moss Agate

Tri-Flow Obsidian Rough Chunk! Mexican Obsidian Priday Ranch ThundereggTri 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