Natural Rainbow Obsidian Bracelet — Volcanic Stone That Shows Its Colors in the Light Cinnabar the name is a homophone

the name is a homophone for "Fu Dai" (福代)

then suddenly bright when the sun hits

Leather vs

softening what's sharp

Natural Rainbow Obsidian Bracelet — Volcanic Stone That Shows Its Colors in the Light Cinnabar the name is a homophoneRainbow obsidian looks black until light hits it at the right angle then green, violet, and gold ripple across the surface. That color is not a coating. It is the stone itself, formed when volcanic glass traps layers of magnetite nanoparticles during cooling. Light bounces between those layers and produces iridescence the same way a soap bubble does. In low light, the beads read as pure black. In direct light, they shift. What Makes Rainbow Obsidian