Job 28:6

Its stones are the place of sapphires; and it has dust of gold.

Exodus 24:10

And they saw the God of Israel. And there was under His feet as it were a paved work of a sapphire stone, and as the essence of the heavens for clearness.

Job 28:16

It cannot be weighed against the gold of Ophir, against precious onyx, or sapphire;

Song of Songs 5:14

His hands are like rings of gold filled with jewels; His body an ivory plate overlaid with sapphires.

Isaiah 54:11

Afflicted one, storm-tossed and not comforted, behold, I will lay your stones among antimony, and lay your foundations with sapphires.

Revelation 21:19

And the foundations of the wall of the city had been adorned with every precious stone. The first foundation, jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;

Treasury of Scripture Knowledge

Summary

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

Bible References

Sapphires

Job 28:16
It cannot be weighed against the gold of Ophir, against precious onyx, or sapphire;
Exodus 24:10
And they saw the God of Israel. And there was under His feet as it were a paved work of a sapphire stone, and as the essence of the heavens for clearness.
Song of Songs 5:14
His hands are like rings of gold filled with jewels; His body an ivory plate overlaid with sapphires.
Isaiah 54:11
Afflicted one, storm-tossed and not comforted, behold, I will lay your stones among antimony, and lay your foundations with sapphires.
Revelation 21:19
And the foundations of the wall of the city had been adorned with every precious stone. The first foundation, jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;