Isaiah 54:12

“Moreover, I will make your battlements of rubies,
And your gates of crystal,
And your entire wall of precious stones.

Treasury of Scripture Knowledge

And I will make thy windows of agates, and thy gates of carbuncles, and all thy borders of pleasant stones.

He overlaid the floor of the house with gold, inner and outer sanctuaries.

shall be the gates of the city,

named for the tribes of Israel, three gates toward the north: the gate of Reuben, one; the gate of Judah, one; the gate of Levi, one.