Ham at one end of the table and fried chicken at the other, collards swimming richly in pot liquor iridescent with grease, snap beans in mountains on brightly flowered porcelain, fried squash, stewed okra, carrots in cream sauce thick enough to cut.
There are no more uses of "iridescent" in the book.
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The iridescent bubbles were beautiful.
Ernest Hemingway -- The Old Man and the Sea
She even had wings that looked like they’d been made out of iridescent paper floating behind her.