Category: A

  • Ammonia

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    Ammonia is a chemical often used as a cleaning agent in jewellery manufacture.

  • Alloy

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    An alloy is a mixture of two or more metals. Jewellers often refer to the mixture of metals added to the fine metal as “the alloy”, though technically the entire mix is an alloy.  Precious metals are alloyed for various reasons: to change the colour of the metal (e.g. white gold or rose gold), to…