During the firing process, the bare copper surfaces become oxidized, as shown here. It turns pinkish and its charred outer surface flakes off, making the piece look almost corroded. Lee leaves it as is, simply wiping it off to keep it clean.
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During the firing process, the bare copper surfaces become oxidized, as shown here. It turns pinkish and its charred outer surface flakes off, making the piece look almost corroded. Lee leaves it as is, simply wiping it off to keep it clean.