Exodus 39:6

And they wrought the onyx stones, inclosed in settings of gold, graven with the engravings of a signet, according to the names of the children of Israel.

Exodus 28:9

And thou shalt take two onyx stones, and grave on them the names of the children of Israel:

Exodus 25:7

onyx stones, and stones to be set, for the ephod, and for the breastplate.

Exodus 35:9

and onyx stones, and stones to be set, for the ephod, and for the breastplate.

Job 28:16

It cannot be valued with the gold of Ophir, With the precious onyx, or the sapphire.

Ezekiel 28:13

Thou wast in Eden, the garden of God; every precious stone was thy covering, the sardius, the topaz, and the diamond, the beryl, the onyx, and the jasper, the sapphire, the emerald, and the carbuncle, and gold: the workmanship of thy tabrets and of thy pipes was in thee; in the day that thou wast created they were prepared.

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American Standard Version Public Domain