Revelation 21:16

13 And on the east were three doors; and on the north three doors; and on the south three doors; and on the west three doors.

14 And the wall of the town had twelve bases, and on them the twelve names of the twelve Apostles of the Lamb.

15 And he who was talking with me had a gold measuring-rod to take the measure of the town, and of its doors, and its wall.

16 And the town is square, as wide as it is long; and he took the measure of the town with the rod, one thousand and five hundred miles: it is equally long and wide and high.

17 And he took the measure of its wall, one hundred and forty-four cubits, after the measure of a man, that is, of an angel.

18 And the building of its wall was of jasper, and the town was clear gold, clear as glass.

19 The bases of the wall of the town had ornaments of all sorts of beautiful stones. The first base was jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;