I,m glad Copper Head started this thread. A couple of weeks ago I was doing some cleanout work in my uncles basement and grabbed this copper rock from upper Michigan. My Uncles use to do lapidary for years and would travel all over the USA picking up rocks. I don’t mean a rock here and there but TONS of them. The mess of rocks in his basement could fill and eight yard dumpster no problem.
I did my part removing 1.2 pounds LOL
Just to add a bit. I found unrefined copper is very hard to cut.
BTW it was a lot greener but I dumped it in some muratic acid to clean it up some but it didn't work very well.
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