Karats in gold… a really old story.
The usage of carat in gold is an old story… a very old one. One day, you may ask yourself this obvious question: Why did we divide gold into 24 shares? Why did we call this unit or proportion “carat/karat (shortened K)” back then? Where do 24K, 18K, 14K and 9K categories come from? Lire la suite [...]