Revelation 21:18-19

The wall was built of jasper; and the city was pure gold, transparent like clear crystal. [1 Kin 6:30] The foundation stones of the wall of the city were adorned with every kind of precious stone. The first foundation stone was jasper; the second, sapphire; the third, chalcedony; the fourth, emerald; [Ex 28:17-20; Is 54:11, 12]