Here are 7 Bible verses about frankincense from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Song of Solomon 4:6 KJV
Until the day break, and the shadows flee away, I will get me to the mountain of myrrh, and to the hill of frankincense.
Leviticus 2:15 KJV
And thou shalt put oil upon it, and lay frankincense thereon: it is a meat offering.
Song of Solomon 4:14 KJV
Spikenard and saffron; calamus and cinnamon, with all trees of frankincense; myrrh and aloes, with all the chief spices:
Leviticus 24:7 KJV
And thou shalt put pure frankincense upon each row, that it may be on the bread for a memorial, even an offering made by fire unto the LORD.
Leviticus 5:11 KJV
But if he be not able to bring two turtledoves, or two young pigeons, then he that sinned shall bring for his offering the tenth part of an ephah of fine flour for a sin offering; he shall put no oil upon it, neither shall he put any frankincense thereon: for it is a sin offering.
Revelation 18:13 KJV
And cinnamon, and odours, and ointments, and frankincense, and wine, and oil, and fine flour, and wheat, and beasts, and sheep, and horses, and chariots, and slaves, and souls of men.
Exodus 30:34-38 KJV
And the LORD said unto Moses, Take unto thee sweet spices, stacte, and onycha, and galbanum; these sweet spices with pure frankincense: of each shall there be a like weight: And thou shalt make it a perfume, a confection after the art of the apothecary, tempered together, pure and holy: And thou shalt beat some of it very small, and put of it before the testimony in the tabernacle of the congregation, where I will meet with thee: it shall be unto you most holy. And as for the perfume which thou shalt make, ye shall not make to yourselves according to the composition thereof: it shall be unto thee holy for the LORD. Whosoever shall make like unto that, to smell thereto, shall even be cut off from his people.