Revelation 21:11-12, 14, 18-21
The city formed a square with equal length and width: 1,500 miles, and equal in height. It had great, high walls made of diamond with twelve pearl gates. The city wall had twelve foundation stones. The first was jasper, the second sapphire, the third was agate, the fourth was emerald, the fifth was onyx, the sixth was chrysolite, the seventh was carnelian, the eighth was beryl, the ninth was topaz, the tenth was chrysoprase, the eleventh was jacinth, and the twelvth was amethyst.