black onyx

[ blak on-iks ]

noun

1. chalcedony that is solid black in color, usually because it has been dyed.

Word History and Origins

Origin of black onyx¹

First recorded in 1640–50

Example Sentences

On the pink cotton inside lay a clasp of black onyx, on which was inlaid a curious symbol or letter in gold.

From The Daily Beast

On the right, just off centre a marble faun with grotesque features on a black onyx pedestal.

From Project Gutenberg

Long black onyx eyes and a tumble of black curls, and teeth like almonds.

From Project Gutenberg

The governing planet is the moon, and the gems are emerald and black onyx.

From Project Gutenberg