Copper has a density of 8.92 and bronze 8.89, so don't expect to tell them apart via Specific Gravity. I can tell uncleaned copper from uncleaned bronze by sight, usually.....
Numismatist. 50 year member ANA. Winner of four ANA Heath Literary Awards; three Wayte and Olga Raymond Literary Awards; Numismatist of the Year Award 2009, and Lifetime Achievement Award 2020. Winner numerous NLG Literary Awards.
<< <i>Copper has a density of 8.92 and bronze 8.89, so don't expect to tell them apart via Specific Gravity. I can tell uncleaned copper from uncleaned bronze by sight, usually..... >>
Hi, thanks for the response. These are in the form of minted coins. Is there going to be no way of telling by sight then? I can try and take pics if its still doable.
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I can tell uncleaned copper from uncleaned bronze by sight,
usually.....
<< <i>Copper has a density of 8.92 and bronze 8.89, so don't expect to tell them apart via Specific Gravity.
I can tell uncleaned copper from uncleaned bronze by sight,
usually..... >>
Hi, thanks for the response. These are in the form of minted coins. Is there going to be no way of telling by sight then? I can try and take pics if its still doable.