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Rhodium Plating darkens or blues the diamonds

February 2, 2010

We very carefully clean all objects before Rhodium plating. However, very occasionally, some of the diamonds will have a darkened or bluish coating which we are not able to remove. What causes this effect and how can we remove it?

John Arrowsmith
goldsmith - Brenham, Texas
^- Privately contact this inquirer -^

February 7, 2010

respected sir,
u dip that jewellery in hydrochloric acid,boil it for fifteen min.without washintion,using twizer u do ultrasonic in base media solution.do steam this for few second.then see result.

Bhupesh Mulik
- Mumbai, India

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