This illustration shows the gems worn on the breast plate of the high priest of the Hebrews. Each of these gems is mentioned in the Bible. 1) Cornelian (Reuben) 2) Topaz (Simeon) 3) Emerald (Levi) 4) Ruby (Judah) 5) Sapphire (Issachar) 6) Diamond (Zebulon) 7) Hyacinth (Dan) 8) Agate (Naphtali) 9) Amethyst (Gad) 10) Chrysolite (Asher) 11) Sardonyx (Joseph) 12) Jasper (Benjamin)