From the album: Muncie Creek Shale Phosphatic Nodules
https://i.ibb.co/K0N2mGV/20211117-194532-HDR.jpg
https://i.ibb.co/KmZQM6p/20211117-194520-HDR.jpg
This is the largest I have found out of the 3 specimens I have (One isn't shown in this album due to being incomplete). the othe two exhibit Yellow hues