Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Bottled Opal Polka Dot Agate

Polka Dot Agate

Weight: Approx 5 lbs 12 oz

but is generally more gemmy

and should be a fun one for any copper lover

Tri-Flow Obsidian Rough Chunk from Glass Butte Oregon Bottled Opal Polka Dot AgateTri 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