JewelStruck Blog

Keum Boo – fusing 24k gold to fine silver

by francine on Jun.16, 2010, under Handmade Jewelry


I recently attended the Bead and Button show in Milwaukee, WI. I learned the technique of Keum Boo.

Keum Boo is an ancient technique which fuses 24k gold to fine silver.  It is an ancient Korean gilding technique.  Pure precious metals like gold and silver have similar anatomic structures and, therefore, can be bonded.

The fine silver or sterling silver which has been depleted creating a layer of fine silver, must be heated up to 500-700 degrees fahrenheit for the gold to create a bond.  Then you burnish the gold to the silver to create a complete bond.

The piece in the picture was oxidized to allow for even more contrast but it is equally as pretty without the oxidation.

Keum boo is a great way to add value and depth to your silver pieces.

Francine Ruth

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