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Gold tarnish


#1

A mundane question. Are coffee-stain type markings on a 9ct gold
ring tarnish? How do they come about? Will they buff off?

Lawrie Bima @Lawrie_Bima


#2

Hello Lawrie, They will buff off. Have a good day. Tom Arnold


#3
 A mundane question. Are coffee-stain type markings on a 9ct
gold ring tarnish? How do they come about?  Will they buff off?

Lawrie, Some mundane answers:

  1. Yes

  2. 9K is only 3 parts gold to 5 parts alloy BY WEIGHT - a lot
    more alloy by volume -of course it’s going to tarnish

3 Yes - but they’ll be back

Good luck
Mike