Crystal & Stones

Polished Rainbow Obsidian showing iridescent color bands. Photo by Brocken Inaglory, CC BY-SA 3.0 via Wikimedia Commons.
Rainbow Obsidian: The Stone of Protection, Perspective & Hidden Color
A researched geological and metaphysical guide to Rainbow Obsidian—natural volcanic glass with iridescent sheen, its formation and traditional uses, and modern symbolic associations with protection, perspective, and reflection. Read more...