Exodus 28:15

And make the ornament of judgment a work of the artificer; according to the work of the ephod thou shalt make it; gold, cerulean purple, red purple, and double scarlet, and byssus, thou shalt make it

Exodus 26:1

And thou shalt make the tent, ten curtains, white linen twisted, and cerulean purple, and reddish purple, and double scarlet: and cherubs the work of the artificer shalt thou make them.

Exodus 28:4

And these the garments which they shall make: the ornament, and the girding on, and the upper garment and the tesselated tunic, the turban and girdle: and they made holy garments or Aaron thy brother, and for his sons to be priests to me.

Exodus 28:6

And they shall make the ephod of gold, cerulean purple, and red purple, and double scarlet, and twisted byssus, the work of the artificer.

Exodus 28:30

And give to the breast-plate of judgment, the lights and the truth; and they shall be upon Aaron's heart in his going before Jehovah: and Aaron lifting up the judgment of the sons of Israel upon his heart before Jehovah continually.

Exodus 39:8-21

And he will make the breast-plate a skilful work, as the work of the ephod; gold, cerulean purple, and red purple, and double scarlet, and twisted byssus.

Leviticus 8:8

And he will put upon him the breast-plate: and will give to the breastplate the Lights and the Truth.

Treasury of Scripture Knowledge

Summary

And thou shalt make the breastplate of judgment with cunning work; after the work of the ephod thou shalt make it; of gold, of blue, and of purple, and of scarlet, and of fine twined linen, shalt thou make it.

General references

Bible References

The breastplate

Exodus 28:4
And these the garments which they shall make: the ornament, and the girding on, and the upper garment and the tesselated tunic, the turban and girdle: and they made holy garments or Aaron thy brother, and for his sons to be priests to me.
Exodus 39:8
And he will make the breast-plate a skilful work, as the work of the ephod; gold, cerulean purple, and red purple, and double scarlet, and twisted byssus.
Leviticus 8:8
And he will put upon him the breast-plate: and will give to the breastplate the Lights and the Truth.

After

Exodus 28:6
And they shall make the ephod of gold, cerulean purple, and red purple, and double scarlet, and twisted byssus, the work of the artificer.
Exodus 26:1
And thou shalt make the tent, ten curtains, white linen twisted, and cerulean purple, and reddish purple, and double scarlet: and cherubs the work of the artificer shalt thou make them.

General references

Exodus 31:4
To meditate work of skill, to work in gold and in silver and in brass.