Exodus 39:8

And he made the breast piece, [the] work of a skilled craftsman, like [the] work of [the] ephod, [of] gold, blue, and purple and crimson [yarns], and finely twisted linen.

Exodus 25:7

onyx stones and stones for mountings on the ephod and the breast piece.

Exodus 28:4

And these are the garments that they will make: A breast piece and an ephod and a robe and a tunic of specially woven fabric, a turban and a sash. And they will make holy garments for Aaron your brother, and for his sons to serve as priests for me.

Exodus 28:13-29

"And you will make gold filigree settings.

Leviticus 8:8-9

Then he placed the breastpiece on him and put the Urim and the Thummim into the breastpiece;

Psalm 89:28

Forever I will keep my loyal love for him, and my covenant [will be] reliable for him.

Isaiah 59:17

And he put on righteousness like breastplate, and a helmet of salvation on his head, and he put on garments of vengeance [for] clothing, and he wrapped [himself in] zeal as [in a] robe.

Ephesians 6:14

Stand therefore, girding your waist with truth, and putting on the breastplate of righteousness,

Treasury of Scripture Knowledge

Summary

And he made the breastplate of cunning work, like the work of the ephod; of gold, blue, and purple, and scarlet, and fine twined linen.

Bible References

General references

Exodus 25:7
onyx stones and stones for mountings on the ephod and the breast piece.
Exodus 28:4
And these are the garments that they will make: A breast piece and an ephod and a robe and a tunic of specially woven fabric, a turban and a sash. And they will make holy garments for Aaron your brother, and for his sons to serve as priests for me.
Leviticus 8:8
Then he placed the breastpiece on him and put the Urim and the Thummim into the breastpiece;
Psalm 89:28
Forever I will keep my loyal love for him, and my covenant [will be] reliable for him.
Isaiah 59:17
And he put on righteousness like breastplate, and a helmet of salvation on his head, and he put on garments of vengeance [for] clothing, and he wrapped [himself in] zeal as [in a] robe.
Ephesians 6:14
Stand therefore, girding your waist with truth, and putting on the breastplate of righteousness,