A precious stone
The stones of it are the place of sapphires: and it hath dust of gold. (Job 28:6)
It cannot be valued with the gold of Ophir, with the precious onyx, or the sapphire. (Job 28:16)
O thou afflicted, tossed with tempest, and not comforted, behold, I will lay thy stones with fair colors, and lay thy foundations with sapphires. (Isaiah 54:11)
Thou hast been in Eden the garden of God; every precious stone was thy covering, the sardius, topaz, and the diamond, the beryl, the onyx, and the jasper, the sapphire, the emerald, and the carbuncle, and gold: the workmanship of thy tabrets and of thy pipes was prepared in thee in the day that thou wast created. (Ezekiel 28:13)
Set in the breastplate
And the second row shall be an emerald, a sapphire, and a diamond. (Exodus 28:18)
The color of the expanse
And above the firmament that was over their heads was the likeness of a throne, as the appearance of a sapphire stone: and upon the likeness of the throne was the likeness as the appearance of a man above upon it. (Ezekiel 1:26)
Seen in the foundation of the New Jerusalem in John's apocalyptic vision
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; (Revelation 21:19)