Gold Bulletin

, Volume 32, Issue 4, pp 115–126 | Cite as

Coloured gold alloys

  • Cristian Cretu
  • Elma van der Lingen
Open Access
Article

Abstract

From ancient times, gold has been used mostly in decorative items, and the colour of gold plays an important role in this application field. Different methods have been developed to objectively characterize the colour. This paper describes the CIELAB system, which has gained acceptance as an effective way to assess colour. The different coloured gold alloys known today are also described, with emphasis on the relationship between their metallurgy and their colour.

Keywords

Gold Alloy Gold Bulletin Gold Jewellery Carat Gold CIELAB System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© World Gold Council 1999

Authors and Affiliations

  • Cristian Cretu
    • 1
  • Elma van der Lingen
    • 1
  1. 1.MintekRandburgSouth Africa

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