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.
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
Special abilities and brightly colored underwear are all you need to be one of these.