Black Rainbow Obsidian · Microfaceted · Rondelle · 4mm

Strand Length: approx. 15 inches.

100% natural black 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. 

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