16. It shall be square and folded double; a span shall be its length of it, and a span its width.
17. You shall set in it settings of stones, four rows of stones: a row of ruby, topaz, and beryl shall be the first row;
18. and the second row a turquoise, a sapphire, and an emerald;
19. and the third row a jacinth, an agate, and an amethyst;
20. and the fourth row a chrysolite, an onyx, and a jasper. They shall be enclosed in gold in their settings.