¹⁷ The angel measured the wall using human^(A) measurement, and it was 144 cubits^[a] thick.^{[b] 18} The wall was made of jasper,^(B) and the city of pure gold, as pure as glass.^{(C) 19} The foundations of the city walls were decorated with every kind of precious stone.^(D) The first foundation was jasper,^(E) the second sapphire, the third agate, the fourth emerald,