And the wall of the city had twelve foundation stones, and on them the twelve names of the twelve apostles of the Lamb (Christ).

The angel who spoke to me had a golden measuring rod with which to measure the city and its foundation stones and wall.

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;