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.

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