The foundations of the city's wall were adorned with all kinds of precious stones. The first foundation was jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;

And this was how I saw the horses in my vision: the riders wore breastplates the color of fire and of sapphire and of sulfur, and the heads of the horses were like the heads of lions, and out of their mouths came fire and smoke and sulfur.