Answer:
I have every color but no gold.
Lovely and round, I shine with pale light, Grown in the darkness, a ladyβs delight.
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
Poor people have it. Rich people need it. If you eat it you die. What is it?
Cloud is my mother, wind is my father. What am I?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.