TSK · Exodus 28:9

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

"You shall make a plate of pure gold, and engrave on it, like the engravings of a signet, 'HOLY TO YAHWEH.'

They worked the onyx stones, enclosed in settings of gold, engraved with the engravings of a signet, according to the names of the children of Israel.

Now I have prepared with all my might for the house of my God the gold for the [things of] gold, and the silver for the [things of] silver, and the brass for the [things of] brass, the iron for the [things of] iron, and wood for the [things of] wood; onyx stones, and [stones] to be set, stones for inlaid work, and of various colors, and all kinds of precious stones, and marble stones in abundance.

It can't be valued with the gold of Ophir, with the precious onyx, or the sapphire.

Behold, I have engraved you on the palms of my hands; your walls are continually before me.

Yahweh their God will save them in that day as the flock of his people; for they are like the jewels of a crown, lifted on high over his land.