TriFlow Mahogany Obsidian Slab! Lapidary Stone Slab! Orange Agate Here is a great box

Here is a great box of old stock material from prior to the 60s

Weight: Approx 1 lb 4

These gorgeous rhyolites are all high grade material showing excellent pattern and slabbing/cabbing potential

It may be a little bit more on the bland side cut though

with each one being solid high grade

TriFlow Mahogany Obsidian Slab! Lapidary Stone Slab! Orange Agate Here is a great boxTri 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