Answer:
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
I can be short and sometimes hot. When displayed, I rarely impress.
I'm the source of all emotion, but I'm caged in a white prison.
Runs smoother than any rhyme, loves to fall but cannot climb!
What points the way without a hand. It floats on water but exists on land?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.