Opalescence
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OPALESCENCE
A milky iridescence caused by the multi-directional diffusion of light that is characteristic of the common opal (hence its name). Certain quartzes and sapphires can also be opalescent.
OPALESCENCE
A milky iridescence caused by the multi-directional diffusion of light that is characteristic of the common opal (hence its name). Certain quartzes and sapphires can also be opalescent.
