Isaiah 54:11, 12
"O afflicted city, lashed by storms, without solace, surely I will set your stones in antimony and lay your foundations with sapphires. . . .

Isaiah 60:17
Instead of bronze I will bring you gold; I will bring silver in place of iron, bronze instead of wood, and iron instead of stones. I will appoint peace as your governor and righteousness as your ruler.

Revelation 21:18-21
The wall was made of jasper, and the city itself of pure gold, as pure as glass. . . .