[No opinion here. Just peeking in to say that whatever it turns out to be, there is no reason to delete -- it's a good discussion to have -- with good photos for comparison.]
For Carnelians, I expect to see some of the green glow -- in the tan areas. There might be some without it, but without the green glow it's harder to say yes to Carnelian.
My first thought was wishing it would turn out to be Carnelian, but I also don't see it at this time.
What does it look like under a blacklight?
I still don't have an alternative guess.
Very nice. I had a sudden vision of the board that my folks got from the gas station -- one with holes in it that we were supposed to fill in with presidential coin premiums that we would also get from the gas station.
That's gonna be a fun board to fill in.