Exodus 28:9

28:9 “You are to take two onyx stones and engrave on them the names of the sons of Israel,

Exodus 28:17-21

28:17 You are to set in it a setting for stones, four rows of stones, a row with a ruby, a topaz, and a beryl – the first row; 28:18 and the second row, a turquoise, a sapphire, and an emerald; 28:19 and the third row, a jacinth, an agate, and an amethyst; 28:20 and the fourth row, a chrysolite, an onyx, and a jasper. They are to be enclosed in gold in their filigree settings. 28:21 The stones are to be for the names of the sons of Israel, twelve, according to the number of their names. Each name according to the twelve tribes is to be like the engravings of a seal.