New gold color-tinting process may be used to enhance value
A newly-discovered method for tinting the color of gold could greatly enhance given to the safe haven asset by precious metals buyers.
The new thermochemical process, which was discovered by engineers working for University of Antioquia of Colombia, can be used to change the appearance of gold so that it resembles precious stones such as emeralds, sapphires or rubies, according to Agence France-Presse (AFP). These researchers have stated that the process can boost the value of gold items five-fold, BullionStreet reports.
The new method does not entail covering the surface of the precious metal with some "material that disguises the traditional white, yellow or pink of the precious metal," Maria Eugenia Carmona, the principal researcher on the project, told AFP. "It involves subjecting it to an elaborate thermochemical process of eight to 10 hours, after which not only does its [color] become red, blue or green, among others, but also its market price increases significantly."
The University of Antioquia engineers who discovered the novel thermochemical process told the news source that the color-tinted gold should be made available to precious metals buyers through retailers soon.
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