16. The city lies in a square, its length being the same as its width. And he measured the city with his reed–12,000 stadia (about 1,500 miles); its length and width and height are the same.
17. He measured its wall also–144 cubits (about 72 yards) by a man's measure [of a cubit from his elbow to his third fingertip], which is [the measure] of the angel.
18. The wall was built of jasper, while the city [itself was of] pure gold, clear and transparent like glass.
19. The foundation [stones] of the wall of the city were ornamented with all of the precious stones. The first foundation [stone] was jasper, the second sapphire, the third chalcedony (or white agate), the fourth emerald, [Isa. 54:11, 12.]
20. The fifth onyx, the sixth sardius, the seventh chrysolite, the eighth beryl, the ninth topaz, the tenth chrysoprase, the eleventh jacinth, the twelfth amethyst.