Exodus 25:7

onyx stones, and other precious stones to be set in the chief priest's ephod and his breastplate.

Exodus 28:4

The clothes they will make are as follows: a breastplate, an ephod and the robe that is worn with it, another specially woven linen robe, the chief priest's turban, and a cloth belt. They will make these holy clothes for your brother Aaron and his sons so that they will be able to serve me as priests.

Exodus 28:6-30

prepare the ephod with fine linen yarn. Embroider gold, violet, purple, and bright red yarn into the fabric.

Treasury of Scripture Knowledge

Summary

Onyx stones, and stones to be set in the ephod, and in the breastplate.

Ephod

General references

Bible References

Ephod

Exodus 28:4
The clothes they will make are as follows: a breastplate, an ephod and the robe that is worn with it, another specially woven linen robe, the chief priest's turban, and a cloth belt. They will make these holy clothes for your brother Aaron and his sons so that they will be able to serve me as priests.

General references

Exodus 35:23
Those who had violet, purple, or bright red yarn, fine linen, goats' hair, rams' skins dyed red, or fine leather brought them.
Exodus 39:2
The ephod was made out of fine linen yarn and gold, violet, purple, and bright red yarn.