Answer:
What has a mouth but can't chew?
I pass before the sun, but make no shadow.
A certain wizard resided in a city made from this gemstone.
My first is nothing but a nameอพ my second is more smallอพ my whole is of so little fame it has no name at all.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.
When is it bad luck to see a black cat?