The eyes had meanwhile lost their black-flecked, golden, nocturnal iridescence, and had gradually paled to a clear silvery blue, while the great pupil of darkness narrowed to a slit.
"Edge of the Jungle"
William Beebe
This metallic iridescence with its infinite tints has a most delightful effect.
"Underground Man"
Gabriel Tarde
When they left the tables to stroll by the milk-white terraces of the Casino, there was a flush in her cheeks and iridescence in her speech very different from a couple of hours before.
"Swirling Waters"
Max Rittenberg