10ST410-R: Obsidian Round 10mm - 15-16" Strand 35% Off35% Off Pinit $21.70 Quantity discounts available QuantityPrice1 – 1$21.702 – 4$19.555 +$17.30 SKU: 10ST410-R Item is currently unavailable. This item is OUT OF STOCK Get Notified When Available We'll send you an email when 10ST410-R: Obsidian Round 10mm - 15-16" Strand is back in stock or available for preorder. Name Last name Email Address (required)Subscribe to marketing emails. Get notified! 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 Obsidian Glass Country of Origin China DetailsMaterialCountry of OriginBackObsidian 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 manBackObsidian GlassBackChina