Pretty light?
Soft?
Any cedar odor to it?
Almost looks like cedar to me. I have seen cedar 6x6 posts that look a lot like that when ripped. May be completely wrong too.
Good guess. If it is cedar it was a big one. Look at the rings in the section that was cut. But definitely hard to say without an up close look and touch. Cedar Elm? Don't know where this is.
