Patination Experimentation
To achieve a deep teal/blue patina on copper simply place a hand full of sawdust in a zip-lock bag. Then pour equal parts of ammonia and salt (I used a 1/4 cup of each) in the bag, close it and shake around to mix it all up. Then place your copper in the bag and forget about it for a while. The copper will become darker almost immediately but it takes a little time for the blue to appear. I completely forgot about my chain for a day and half and when I opened the bag I was thrilled to see how blue the copper had become. After a good scrubbing and drying the chain was good to go. I used it in a new necklace design and I am pretty darn please with the results! (see my Etsy shop for more info about this necklace)
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