Large Tri-Flow Obsidian Slab! Lapidary Stone Slab! Opal Wood which so far has shown

which so far has shown a lot of promise

and while a photo may look just like the rock on my end

and I will do my best to accommodate your request during packing

Measurements (inches - longest - approx):  4

Here is a gorgeous larger slab of Indian Tree Moss with some well defined Moss Agate showing

Large Tri-Flow Obsidian Slab! Lapidary Stone Slab! Opal Wood which so far has shownTri 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