My prefix's mind is quite fair and precise.
My suffix can flow with a warm sacrifice.
My infix is shown in a shuffle and worn.
My lady, though blind, balances with a thorn.
What am I?
The answer is $7$ letters, and the title is a clue. Oh, and don't fear that
knowledge tag; it only exists because of the lady, so perhaps you might have to research, but only after you know the answer.
Just noticed that an anagram of
loving riddles is