Job 28:6

A place of the sapphire are its stones, And it hath dust of gold.

Exodus 24:10

and they see the God of Israel, and under His feet is as the white work of the sapphire, and as the substance of the heavens for purity;

Job 28:16

It is not valued with pure gold of Ophir, With precious onyx and sapphire,

Song of Songs 5:14

His hands rings of gold, set with beryl, His heart bright ivory, covered with sapphires,

Isaiah 54:11

O afflicted, storm-tossed, not comforted, Lo, I am laying with cement thy stones, And have founded thee with sapphires,

Revelation 21:19

and the foundations of the wall of the city with every precious stone have been adorned; 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 is not valued with pure gold of Ophir, With precious onyx and sapphire,
Exodus 24:10
and they see the God of Israel, and under His feet is as the white work of the sapphire, and as the substance of the heavens for purity;
Song of Songs 5:14
His hands rings of gold, set with beryl, His heart bright ivory, covered with sapphires,
Isaiah 54:11
O afflicted, storm-tossed, not comforted, Lo, I am laying with cement thy stones, And have founded thee with sapphires,
Revelation 21:19
and the foundations of the wall of the city with every precious stone have been adorned; the first foundation jasper; the second, sapphire; the third, chalcedony; the fourth, emerald;