what's this

what's this

Observation - what's this. Description: i found this object near stone henge. it was half buried hence the 2 tone colouration . its very dense & heavy, but as yet im unable to say for sure what its made of . . i thought it could be a fossil of a prehistoric fruit but as its so heavy , it could

i found this object near stone henge. it was half buried hence the 2 tone colouration . its very dense & heavy, but as yet im unable to say for sure what its made of . . i thought it could be a fossil of a prehistoric fruit but as its so heavy , it could be a metal ... like iron or something?? all a bit perplexing , can anyone offer any suggestion . i would be veryu grateful .