Discussion in 'Coin Chat' started by Italy8686, Apr 21, 2021.
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BTW, your pictures seem to be a little clearer through the loupe so keep using that
I collect rocks and I have several pieces of raw copper. Along with the so called, copper color, I have samples of blue, orange, yellow and red copper to mention a few. Very interesting metal.
could be some residue of something on there, but that just looks like toning to me. I don't find it all that bad looking.
Just my opinion . . .
Err, perhaps naturally.
I was thinking that to
Of course sir. Copper is easy to become blue under heat. I bring up ancient coins since there is documentation of them being recovered blue, and its a deep, saturated blue to the core which could not easily be faked, so therefore proves it CAN happen naturally over time. Given this is so new, it would not be a deep color, just surface toning.
I am in complete agreement with your statement. Copper rarely can tone blue in nature.
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