Answer:
I am a precious stone as clear as diamond. Seek me out while the sun's near the horizon. Though you can walk on water with my power try to keep me and I'll vanish in an hour.
What gets bigger when more is taken away?
I have two bodies joined together as one. When standing still, I run and run. What am I?
I have an eye but I cannot see. What am I?
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
Give it food and it will live, give it water and it will die.