18. in the second row, an emerald, a sapphire, and a diamond;
19. in the third row, a turquoise, an agate, and an amethyst;
20. and in the fourth row, a beryl, a carnelian, and a jasper. These are to be mounted in gold settings.
21. Each of these twelve stones is to have engraved on it the name of one of the sons of Jacob, to represent the tribes of Israel.