Understanding Opal vs Other Iridescent Stones helps buyers appreciate the unique qualities of each gem. Opal carries a vivid play-of-color that shifts with movement, creating glowing sparkles that feel luminous and magical. Other iridescent stones, such as Moonstone or Labradorite, display surface sheen or internal flashes, yet opal often produces more diverse patterns and wider color... https://www.gemstonesforsale.com/blogs/gemstone-encyclopedia/opal-vs-other-iridescent-stones