Then I heard something like a voice among the four living creatures say, “A quart of wheat for a denarius, and three quarts of barley for a denarius—but do not harm the olive oil and the wine.”

the fifth sardonyx,
the sixth carnelian,
the seventh chrysolite,
the eighth beryl,
the ninth topaz,
the tenth chrysoprase,
the eleventh jacinth,
the twelfth amethyst.

The 12 gates are 12 pearls; each individual gate was made of a single pearl. The broad street of the city was pure gold, like transparent glass.