Exodus 28:9-11

28:9 “You are to take two onyx stones and engrave on them the names of the sons of Israel, 28:10 six of their names on one stone, and the six remaining names on the second stone, according to the order of their birth. 28:11 You are to engrave the two stones with the names of the sons of Israel with the work of an engraver in stone, like the engravings of a seal; you are to have them set in gold filigree settings.