Each 15.5" strand features 47-48 8mm beads. This listing is for one randomly selected strand.
Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. Obsidian is produced when felsic lava extruded from a volcano cools rapidly with minimal crystal growth.
Mohs scale: 5-5.5
Family: Obsidian
Locality: The United States and Mexico