Answer:
If you have me, you want to tell me. If you tell me, you don't have me.
What is seen in the water and in the sky? It is part of the rainbow and can be in your eye
A king wears one on his head.
What is often on the ground getting stepped on by others, but you donโt have to wash it because it never get dirty, in fact you couldnโt wash it even if you tried?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.
I stay where I am when I go off. What am I?