Tri-Flow Obsidian Slab – Rare Old Stock from Glass Butte, Oregon for Lapidary Biggs Jasper I've been told this could

I've been told this could possibly be old stock Australian Petrified Wood

Most varieties finish to a brilliant mirror polish

and natural history enthusiasts

Brazilian Agate

Kowallabe Quartzite – Rare Australian Quartzite with Stunning Feathery Patterns

Tri-Flow Obsidian Slab – Rare Old Stock from Glass Butte, Oregon for Lapidary Biggs Jasper I've been told this couldTri Flow Obsidian Slab Rare Old Stock from Glass Butte, Oregon This Tri Flow Obsidian from Glass Butte, Oregon showcases gorgeous layered movement in deep blacks, reds, and browns. Its a rare, old stock variety of mahogany obsidian with a marbled appearance caused by magnetite rich lava flowsand this ones got killer contrast. Measurements (inches longest approx.): 4. 3 x 3. 3 x 0. 21 Pure obsidian zones are semi translucent when thin or backlit,