Answer:
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
There are several different kinds, but the one you pick doesn't do its job. What is it?
Never alive but practically extinct. How we miss the letters pressing the ribbon of ink. What is it?
What is the thing which, once poured out, cannot be gathered again?
A tree with 5 branches, no leaves and no fruits
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.