Answer:
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
I'm as simple as a circle worthless as a leader; but when I follow a group their strength increases tenfold. By myself I'm practically nothing.
With a halo of water and a tongue of wood; stone as skin long I stood.
I am a creature with a βtightβ name.
What has a head but never weeps a bed but never sleeps can run but never walks and banks but no money?
What made Cyclops quit teaching?