Answer:
I can be long or short. I can be grown or bought. I can be painted or left bare. My tip can be round or square. (one word)
I have a strong affection for belly buttons.
I was was before was was was.
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 look at you, you look at me. I raise my right, you raise your left. What am I?
My first is snapping, snarling, growling, My second's industrious, romping, and prowling. Higgledy piggledy Here we lie, picked and plucked, and put in a pie.