Looks like a outer shell to a alien space craft....pretty cool man.Heavy in weight, not magnetic...Ive tried. Ive matched it with all non magnetic metals...no results. I just dont know. Normally i can identify a rock but this....this is something i can not put my finger any where close to the answer. Its driving me mad..HELP!!!!!! View attachment 1651717 View attachment 1651719 View attachment 1651720 View attachment 1651722