Answer:
I am seen in the water. If seen in the sky I am in the rainbow a jay's feather and lapis lazuli.
I am enjoyed by some despised by others. Some take me for granted some treasure me like a gift. I last forever unless you break me first.
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
I am an English word that is as long as I am valued. What am I?
Bright as diamonds, loud as thunder, never still, a thing of wonder. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.