Answer:
Who eats a lot of iron without getting sick?
A certain wizard resided in a city made from this gemstone.
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
who do you think you know but sometimes you don't
Sometimes black, sometimes white, I have veins but no blood
What covers its face with its hands, speaks no language, yet most known what it's saying?