black opal

noun

Mineralogy.

1. a dark variety of opal having the characteristic opaline play of color.

black opal

noun

1. any opal of a dark coloration, not necessarily black

Example Sentences

She has rings for him to don at his opening, including a black opal that sparkles in the sun.

Read more on Los Angeles Times

“Uncut Gems,” out Wednesday, stars Sandler as Howard Ratner, a jeweler in Manhattan’s Diamond District who tries to repay his gambling debts by auctioning off a long-sought-after rock from Ethiopia containing rare black opals.

Read more on Washington Post

Inside the guts of a fish packed in ice, a precious, raw black opal embedded in rock is making its way to Howard.

Read more on Seattle Times

KG, as they call him in the film, becomes obsessed with this black opal that's a centerpiece of the story.

Read more on Salon

He’s plotting the score of a lifetime: importing—or, rather, smuggling—a rare, uncut, large black opal from Ethiopia, which he’s expecting to sell, through an upscale auction house, for a million dollars.

Read more on The New Yorker