Definition Of onyx
a semiprecious variety of agate with different colors in layers.
I should stock up one jade, rubies, onyx , malachite, and diamonds.
Example Of onyx
A good substitute for the apache tear is black tourmaline and black onyx .
an onyx ashtray
Both pool and onyx are on a travertine block that the architect calls ‘an altar where burial occurs’.
Both were of ivory and the brush was set with pink shell, onyx and jade.
He took her hand in his own, his thumb turning the carnelian and onyx signet ring she wore.