Tri-Flow Obsidian Rough Chunk! Lassen Creek Obsidian They can be geodes (hollow

They can be geodes (hollow with calcite crystals)

with an orange backdrop

and even finding small slabs of it is unheard of

and will be pulled randomly from a selection of similarly graded stock

it looks like it will only get better

Tri-Flow Obsidian Rough Chunk! Lassen Creek Obsidian They can be geodes (hollowTri 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