Exodus 28:9 in the King James Version
And thou shalt take two onyx stones, and grave on them the names of the children of Israel:
Context
8 The skillfully woven band, which is on it, shall be like its work and of the same piece; of gold, blue, purple, scarlet, and fine twined linen.
9 You shall take two onyx stones, and engrave on them the names of the children of Israel.
10 Six of their names on the one stone, and the names of the six that remain on the other stone, in the order of their birth.