6 They worked the onyx stones, enclosed in settings of gold, engraved with the engravings of a signet, according to the names of the sons of Israel.
Exodus 39:6 Cross References - NHEB
Exodus 25:7
7 onyx stones, and stones to be set for the ephod and for the breastplate.
Exodus 28:9
9 You shall take two onyx stones, and engrave on them the names of the sons of Israel:
Exodus 35:9
9 onyx stones, and stones to be set for the ephod and for the breastplate.
Job 28:16
16 It can't be valued with the gold of Ophir, with the precious onyx, or the sapphire.
Ezekiel 28:13
13 You were in Eden, the garden of God; every precious stone adorned you: ruby, topaz, emerald, chrysolite, onyx, jasper, sapphire, turquoise, and beryl. Gold work of tambourines and of pipes was in you. In the day that you were created they were prepared.