¹⁹ the third row an orange zircon, an agate and an amethyst; ²⁰ and the fourth row a beryl, an onyx and a jasper. They are to be mounted in their gold settings. ²¹ The stones will correspond to the names of the twelve sons of Isra’el; they are to be engraved with their names as a seal would be engraved, to represent the twelve tribes.