Revelation 21:17-21
21:17 He also measured its wall, one hundred forty-four cubits according to human measurement, which is also the angel’s.
21:18 The city’s wall is made of jasper and the city is pure gold, like transparent glass.
21:19 The foundations of the city’s wall are decorated with every kind of precious stone. The first foundation is jasper, the second sapphire, the third agate, the fourth emerald,
21:20 the fifth onyx, the sixth carnelian, the seventh chrysolite, the eighth beryl, the ninth topaz, the tenth chrysoprase, the eleventh jacinth, and the twelfth amethyst.
21:21 And the twelve gates are twelve pearls – each one of the gates is made from just one pearl! The main street of the city is pure gold, like transparent glass.