Context Reading
16It must be square when folded over double, a span long and a span wide. 17And mount on it a setting of gemstones, four rows of stones: In the first row there shall be a ruby, a topaz, and an emerald; 18in the second row a turquoise, a sapphire, and a diamond; 19in the third row a jacinth, an agate, and an amethyst; 20and in the fourth row a beryl, an onyx, and a jasper. Mount these stones in gold filigree settings.