i was tinking if u find like a fossile in the overworld it hapens maybe 1s a year or like 1s in a long time but if u break the blocks u get normal blocks so if u move them ther is no way to tell u found like a dinisour bones so i was tinking is ther i way u can let fossile bone blocks drop as like dinesour bone and so idea if u find fossile in the over world u get spesial block