Exodus 25:7

7onyx stones, and stones for setting, for the aephod and for the breastpiece.

Exodus 28:9

9You shall take two onyx stones, and engrave on them the names of the sons of Israel,

Ezekiel 28:13

13You were in bEden, the garden of God;
cevery precious stone was your covering,
dsardius, topaz, and diamond,
beryl, onyx, and jasper,
sapphire,
Or lapis lazuli
femerald, and carbuncle;
and crafted in gold were your settings
and your engravings.
The meaning of the Hebrew phrase is uncertain

hOn the day that you were created
they were prepared.
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