Answer:
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
I pass before the sun, yet make no shadow. I'm all around you, but you cannot see me. What am I?
I have no weight but I could destroy a mansion. What am I?
I am filled with garb the price is free. Just return what you don't need.
I am as hard as metal, yet as flimsy as glass. I shine like a star, yet I am only a rock. What am I?
Break me and I am better immediately set and harder to be broken again.