Tri-Flow Obsidian Slab - Multiple Flow Patterns - Glass Butte Oregon Labradorite Madagascar The grades are B and

The grades are B and C

Known for its variety in color and pattern

and bright

strong visual flow

Great candidate for polishing

Tri-Flow Obsidian Slab - Multiple Flow Patterns - Glass Butte Oregon Labradorite Madagascar The grades are B andTri Flow Obsidian Slab Multiple mahogany flow patterns Glass Butte Oregon This impressive mahogany obsidian slab showcases three distinct flow patterns creating stunning visual interest. The different flows present create awesome layered patterns with the volcanic glass between flows being nearly transparent when backlit. This would be considered high grade Tri Flow Obsidian perfect for designer cabochons or display pieces. SPECIFICATIONS Material: