http://www.explainstuff.com Interesting Short Science Articles on science, health, technology, medicine. Thu, 02 Feb 2012 04:07:52 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://www.explainstuff.com/2009/04/02/difference-between-24-karat-and-916-gold/ http://www.explainstuff.com/2009/04/02/difference-between-24-karat-and-916-gold/#comments Fri, 03 Apr 2009 00:48:50 +0000 admin http://www.explainstuff.com/?p=31 Gold Quality: Gold's purity is measured in karats. The term "karat" dates back to the ancient bazaars where "carob" beans were used to weigh precious metals. Gold used in jewelry is mixed with harder metals for strength and durability. Related posts:

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