Rainbow Obsidian · Smooth · Round · 4mm **CLEARANCE**

Strand Length: approx. 15.5 inches.

100% natural rainbow obsidian beads.

Obsidian is a glass-like volcanic stone resulting from the rapid cooling of lava. Being an amorphous stone, it does not have a geometric crystal structure like other minerals. Obsidian is most commonly black but can also be gray, dark brown, green, and everything in between.