How to Choose a Pure Gold Jewelry for Wedding?

By: JsWhite

Gold

Gold is a noble metal that is exceptionally resistant to corrosion and tarnish. It is soft, malleable and ductile.

In Hong Kong, it is traditionally sold by the tael, which is equivalent to 37.429 grams. When used in creating jewellery, gold will either be pure (24K or "999.9 gold") or alloyed to various purities (fineness). Gold, mixed with copper, silver or palladium gives birth to different alloys, commonly known as karat gold or K-Gold. The more prevalent alloys are 18K (75% pure gold) and 14K (58.5% pure gold). The hardness of karat gold makes it suitable for jewellery set with diamonds or sapphires.

The proportion and type of added metals can change the colour and hardness of the alloys. For example, a reddish alloy has a higher proportion of copper while a silvery alloy has a higher proportion of silver. In making "white gold", no copper is used. White gold is still a form of karat gold, but the presence of silver and nickel or palladium creates a completely silvery appearance.

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