So i went out to collect eggs I found 4 if these in photo with a regular brown egg. Felt like rocks but theybare eggs i tried ti smash it with a hammer still wont break. I look with a flash light nothing to see. I swear they are rocks but they are eggs lol Has anyone had this experience. I have been on a farm my whole life and never seen this. Amd no . Nobody could come put them in my runs coops driveway a 1 and half lomg with a gate haha..