A gemological guide explaining the distinct physical causes behind Moonstone schiller, Labradorite flash, and Opal play-of-color.
Play of Color
Australian Black Opal Play-of-Color: The World’s Most Mesmerizing Gemstone
Unpack the diffraction silica sphere physics behind the breathtaking spectral colors of rare Lightning Ridge Black Opals.
The Geological Magic of Iridescence: Labradorescence, Adularescence, and Play of Color
Explore the optical physics behind the mystical flashes in Labradorite, Moonstone, and Australian Opal.
