One of my online purchased three of my argentium rings this
December. Now she reports the rings have darkened and gotten
scratched up so badly that the stamped letters are barely visible
anymore. She did use a polishing cloth on the rings and wrote that
the tarnishing does not come off.
The rings are plain bands with letters deeply stamped on the outside
and inside. I fused them together, polished them and tumbled them
with stainless steel for about 3 hours. They were nice and shiny when
I sent them off. My own argentium rings remain untarnished and seem
to get fewer scratches then regular sterling silver.
Could firescale appear on argentium rings that was not visible when I
mailed the rings out? Or is there any other possible explanation why
argentium might tarnish and scratch like that?