Sapphire

The stones of it are the place of sapphires: and it hath dust of gold.

It cannot be valued with the gold of Ophir, with the precious onyx, or the sapphire.

O thou afflicted, tossed with tempest, and not comforted, behold, I will lay thy stones with fair colours, and lay thy foundations with sapphires.

And the foundations of the wall of the city were garnished with all manner of precious stones. The first foundation was jasper; the second, sapphire; the third, a chalcedony; the fourth, an emerald;