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Dakota Stones 10x20mm Double Drilled Snowflake Obsidian Gemstone Beads
10x20mm Double Drilled Snowflake Obsidian beads from Dakota Stones. Snowflake Obsidian is a naturally occurring volcanic glass. It is formed when felsic lava extruded from a volcano cools without crystal growth. In some stones, the inclusion of small, white clustered crystals of cristobalite in the black glass produce a blotchy or snowflake pattern, and this is known in the gem trade as snowflake obsidian. Mined in Mexico. Approximately 20 beads per 8" strand. Sold 1 strand per pack.