Rustic Snowflake Obsidian Necklace, Genuine Tumbled Gemstone

Rustic Snowflake Obsidian Necklace, Genuine Tumbled Gemstone A type of volcanic glass, snowflake obsidian differs from true obsidian via its patches of cloudy white or gray. These spots are properly known as spherulites, and they are really a type of quartz crystal embedded into the glass. Although it lacks the toolmaking capabilities of true obsidian, people collect it for its beauty. 15 mm - 12 mm snowflake obsidian tumbled stone beads 10 mm snowflake obsidian rectangular beads The length : about 20" + extension chain (*the length can be personalized, you can measure one of your own necklaces to have the idea of the length you like.)