12ST410-BR: Grey Banded Obsidian Round 12mm - - 3 Piece Pack Pinit $5.30 Quantity discounts available QuantityPrice1 – 1$5.302 +$4.70 SKU: 12ST410-BR Quantity -+ Add to Cart Details Obsidian is a natural volcanic glass. Obsidian is formed when viscous lava is rapidly cooled, most commonly by water. Obsidian is less fragile than s... Material Banded Obsidian Glass DetailsMaterialBackObsidian is a natural volcanic glass. Obsidian is formed when viscous lava is rapidly cooled, most commonly by water. Obsidian is less fragile than standard window glass, and was often fashioned into sharp cutting edges by stone age manBackBanded Obsidian Glass
