Tri-Flow Mix Old Stock Oregon Obsidian Rough Flatrate! Classroom These pieces often appear like

These pieces often appear like standard black obsidian in normal lighting

They can range in sizes

The last photo has been taken dry so that you may see any defects

This is still a great price on this box

and in some locations around the world

Tri-Flow Mix Old Stock Oregon Obsidian Rough Flatrate! Classroom These pieces often appear likeHere is a stunning batch of Old Stock Mahogany Obsidian from Glass Butte Oregon! This stunning material is a mix of Mahogany, Gold Sheen, Silver Sheen, and Tri Flow Obsidian! Each one is sure to cut stunning slabs for cabs, or could be used for knapping arrowheads! This is from the same mountain that Native Americans use to collect from and knap from across the West Coast! This is certainly one prime box of beautiful material you won't want to miss