More Fun With Copper

Posted on April 25, 2019 by silvergrrl

These are both copper. The round piece was torched, high oxygen, then soaked in hot vinegar. The other piece was previously etched with ferric chloride, then lightly salted & subjected to ammonia fumes to produce the blue patina.

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One Response to More Fun With Copper

  1. Debby says:
    April 25, 2019 at 8:28 pm

    That’s so interesting!

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