Revelation 21:21

The twelve gates were made of twelve pearls, each gate of one pearl. The street of the City was of pure gold, transparent as glass.

Revelation 21:18

The material of the wall of the City was jasper, and the City was built of pure gold, which shone like clear glass.

Revelation 17:4

The woman was clothed in purple and scarlet, and glittering with gold ornaments, precious stones, and pearls. In her hand she held a gold cup, full of idolatrous abominations, and the unclean fruits of her licentiousness;

Revelation 22:2

in the middle of the street of the City. On each side of the river was a Tree of Life which bore twelve kinds of fruit, yielding its fruit each month; and the leaves of the tree were for the healing of the nations.

Matthew 13:45-46

Again, the Kingdom of Heaven is like a merchant in search of choice pearls.

Revelation 18:16

'Alas! Alas! Great City! O City clothed in fine linen, and purple, and scarlet cloth! O City adorned with gold ornaments, and precious stones, and pearls!

Revelation 21:11-12

Its brilliance was like that of some very precious stone, like a jasper, transparent as crystal.

Treasury of Scripture Knowledge

Summary

And the twelve gates were twelve pearls; every several gate was of one pearl: and the street of the city was pure gold, as it were transparent glass.

Bible References

The twelve

Revelation 21:12
It had a great high wall, in which were twelve gates; and at these gates there were twelve angels, and there were names inscribed on the gates, the names of the twelve tribes of the Israelites.
Revelation 17:4
The woman was clothed in purple and scarlet, and glittering with gold ornaments, precious stones, and pearls. In her hand she held a gold cup, full of idolatrous abominations, and the unclean fruits of her licentiousness;
Matthew 13:45
Again, the Kingdom of Heaven is like a merchant in search of choice pearls.

Pure

Revelation 21:18
The material of the wall of the City was jasper, and the City was built of pure gold, which shone like clear glass.
Revelation 17:4
The woman was clothed in purple and scarlet, and glittering with gold ornaments, precious stones, and pearls. In her hand she held a gold cup, full of idolatrous abominations, and the unclean fruits of her licentiousness;
Revelation 18:16
'Alas! Alas! Great City! O City clothed in fine linen, and purple, and scarlet cloth! O City adorned with gold ornaments, and precious stones, and pearls!
Revelation 22:2
in the middle of the street of the City. On each side of the river was a Tree of Life which bore twelve kinds of fruit, yielding its fruit each month; and the leaves of the tree were for the healing of the nations.

As it

Revelation 21:11
Its brilliance was like that of some very precious stone, like a jasper, transparent as crystal.