Coloring on Oxidized Copper Question

by Janet

I am trying to reproduce a handcrafted pendant made from oxidized copper. A beautiful picture was drawn on it with colored pencils, then sealed. So,I oxidized my own copper with liver of sulfate. Now that the copper is a nice black, I want to color on it with soft colored pencils. But, the black rubs off as I draw on it. How can I keep the blackened coat on the copper?

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Prismacolor on Copper
by: Anonymous

Use one or two coats of gesso. It is a base used for acrylic paint and helps the colored pencil to adhere. It comes in several colors white, grey, umber, black, and severals others.

I also use odorless mineral spirits and work fixatif as I am applying my colored pencil.

I hope this helps.

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