US$ 99.95
I highly recommend them
and even the insanely rare Blue Rainbow
It can also have some awesome tube druzy
with blue jasper being pretty rare
Obsidian is generally black under normal conditions
TriFlow Mahogany Obsidian Slab! Lapidary Stone Slab! Indonesian Palm Root I highly recommend themTri 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