Exodus 25:7
Context25:7 onyx stones, and other gems to be set in the ephod and in the breastpiece.
Exodus 35:9
Context35:9 onyx stones, and other gems 1 for mounting 2 on the ephod and the breastpiece.
Exodus 28:9
Context28:9 “You are to take two onyx stones and engrave on them the names of the sons of Israel, 3
Exodus 39:13
Context39:13 and the fourth row, a chrysolite, an onyx, and a jasper. They were enclosed in gold filigree settings.

