1 Pound lot of Snowflake Obsidian from Utah, USA. These all natural stones can be used for rock tumbling, wire wrapping, lapidary, cabbing, decoration, fountain stones, decorative potting rocks, jewelry making, metaphysical, knapping or rock collecting. Obsidian is nature's volcanic (igneous) glass! In ancient times it had many uses including knives and arrowheads. Snowflake Obsidian is treasured because of it's sphere like “snowflakes' embedded in the obsidian. The white "snowflakes" are thought to have formed when small amounts of water in the lava form bubbles and metamorphasize into cristobalite, a form of quartz. These stones are beautiful and unique raw or worked to a fine state.