Why does the silver turn grey

by Dave Tucker
(England)

When tumbling why does the silver some times turn grey

Stacy's Answer:

Hi Dave. Sorry for the long delay in responding. Your question was accidentally mis-filed as completed.

As to your question, without knowing more details, it could be any of several things. If you haven't already done so, recommend you read my article on Tumble Polishing.

Also, you might try doing a Site Search, trying various keywords. Good luck.