Job 28:6

The stones of it 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 sapphire stone, and as it were the very heaven for clearness.

Job 28:16

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

Isaiah 54:11

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

Revelation 21:19

And the foundations of the wall of the city adorned with every precious stone. The first foundation was 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 valued with the gold of Ophir, with the precious onyx, or the sapphire.
Exodus 24:10
And they saw the God of Israel. And there was under his feet as it were a paved work of sapphire stone, and as it were the very heaven for clearness.
Isaiah 54:11
O thou afflicted, tossed with tempest, and not comforted, behold, I will set thy stones in fair colors, and lay thy foundations with sapphires.
Revelation 21:19
And the foundations of the wall of the city adorned with every precious stone. The first foundation was jasper, the second, sapphire, the third, chalcedony, the fourth, emerald,