20 The fifth, sardonyx; the sixth, sardius; the seventh, chrysolite; the eighth, beryl; the ninth, a topaz; the tenth, a chrysoprase; the eleventh, a jacinth; the twelfth, an amethyst.
Revelation 21:20 Cross References - Webster
Revelation 4:3
3 And he that sat was in appearance like a jasper and a sardine stone: and there was a rainbow around the throne in sight like an emerald.