Is this man made !

[Traceejean]

I found this rock last summer it’s been kicked around inside ,it’s been outside ! It’s very heavy is definatley interesting , what is it. It hasgreenn shiny stuff not sure

 

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[Eu_citzen]

Nope, natural.

 

[Traceejean]

Someone had told me it was a core of some sort

 

[Eu_citzen]

Nah, mostly made of quartz. Very likely to be natural. Exact ID is hard to say.