I have decided antique metal should not be cleaned. "Patina" adds beauty.
Re: Ancient gold -- will Post Reply Edit Forum Where am I?
Posted by: Frederick II Post Reply
07/30/2018, 21:10:42

The way I learned it is:

In antique pieces with less than 24K, over a long period of time, some pure gold rises to the surface -creating what appears to be a thin film.

After the raised areas have been handled or polished, the uncleaned, recessed areas appear to be a richer shade of orange. I am not a metallurgist; I do not really understand this process. Is it a chemical change?

Modified by Frederick II at Tue, Jul 31, 2018, 23:57:10

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