20 the sixth, sardius; the seventh, chrysolite; the eighth, beryl; the ninth, topaz; the tenth, chrysoprase; the eleventh, hyacinth; the twelfth, amethyst.
Revelation 21:20 Cross References - Godbey
Revelation 4:3
3 and the one sitting was in appearance like unto a jasper and a sardius stone: and a rainbow was around about the throne, in appearance like unto an emerald.