Exodus 28:15
"You shall make a breastpiece of judgment, in skilled work. In the style of the ephod you shall make it--of gold, blue and purple and scarlet yarns, and fine twined linen shall you make it.
Exodus 26:1
"Moreover, you shall make the tabernacle with ten curtains of fine twined linen and blue and purple and scarlet yarns; you shall make them with cherubim skillfully worked into them.
Exodus 28:4
These are the garments that they shall make: a breastpiece, an ephod, a robe, a coat of checker work, a turban, and a sash. They shall make holy garments for Aaron your brother and his sons to serve me as priests.
Exodus 28:6
"And they shall make the ephod of gold, of blue and purple and scarlet yarns, and of fine twined linen, skillfully worked.
Exodus 28:30
And in the breastpiece of judgment you shall put the Urim and the Thummim, and they shall be on Aaron's heart, when he goes in before the LORD. Thus Aaron shall bear the judgment of the people of Israel on his heart before the LORD regularly.
Exodus 39:8-21
He made the breastpiece, in skilled work, in the style of the ephod, of gold, blue and purple and scarlet yarns, and fine twined linen.
Leviticus 8:8
And he placed the breastpiece on him, and in the breastpiece he put the Urim and the Thummim.