¹⁷ The angel also measured the wall. It was 216 feet high, by man’s measurement. That was the measurement the angel was using. ¹⁸ The wall was made of jasper. The city was made of pure gold, as pure as glass. ¹⁹ The foundation stones of the city walls had every kind of jewel in them. The first cornerstone was jasper, the second was sapphire, the third was chalcedony, the fourth was emerald,