An Islamic construction that is a tomb, but not a mosque is a building called Taj Mahal. The Taj Mahal was build in 1631, and it still stands today. It was created by the emperor Shah Jahan. Today, the Taj Mahal stands in india. Below I have attached a pic to show you how the Taj Mahal looks.
That would be a minor 3rd as D (in the key of D major anyway) is the root or tonic, and F is the 3rd(minor).
Your answer is a pure and noble
Michael Jackson sang the hit sing “Bad”
Fall Out Boy - Young And Menace