Exodus 28:19

17You shall set in it settings of stones, four rows of stones: a row of ruby, topaz, and beryl shall be the first row;

18and the second row a turquoise, a sapphire, and an emerald;

19and the third row a jacinth, an agate, and an amethyst;

20and the fourth row a chrysolite, an onyx, and a jasper. They shall be enclosed in gold in their settings.

21The stones shall be according to the names of the children of Israel, twelve, according to their names; like the engravings of a signet, everyone according to his name, they shall be for the twelve tribes.