Exodus 39:2
He made the ephod of gold, blue and purple and scarlet yarns, and fine twined linen.
Exodus 28:6-12
"And they shall make the ephod of gold, of blue and purple and scarlet yarns, and of fine twined linen, skillfully worked.
Exodus 25:7
onyx stones, and stones for setting, for the ephod and for the breastpiece.
Leviticus 8:7
And he put the coat on him and tied the sash around his waist and clothed him with the robe and put the ephod on him and tied the skillfully woven band of the ephod around him, binding it to him with the band.