Beautiful natural snowflake obsidian beads in a faceted round shape. Snowflake obsidian is a type of black obsidian with white or grayish spots. Snowflake Obsidian is usually black in color, with white patches. It resembles snowflakes, hence the name.. Measures 8mm and 15 inch strand. Sold by the strand of forty-eight (48) piece packages. Measurement & Specs