Anywhen...is it a palantír?
No
If not, did Elves make it?
Yes
Did it still exist in the Third Age, or was it destroyed before then?
Yes, No 
Does it taste good with ketchup?
Maybe
Can it be worn?
No
Did it exist before the First Age?
I don't think so
Oh, yes, *catapaults some medium-sized stones at Nilpaurion.*