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Home > Metal jewellery > Gold Jewellery
Gold Jewellery
Properties of Gold
Gold JewelleryOut of the earth comes a remarkable metal with an unparalleled combination of chemical and physical properties that make this metal invaluable to a wide range of everyday applications essential to our modern life. Thousands of common, everyday appliances require gold to ensure perfect performance over a long period of time. This indestructible metal is completely recyclable and virtually immune to the effects of air, water, and oxygen. Gold will not tarnish, rust, or corrode. This unique combination of properties makes gold a vital component in many medical, industrial, and electrical applications. However, the most vital use of gold is in the creation of beautiful and stunning jewellery pieces, which will last your lifetime.

Gold itself never tarnishes; however, the alloys used with gold to strengthen it are susceptible to wear with time and contact with the air. Pure gold (24 carat) will never tarnish. However, pure gold is far too soft a metal to be used for everyday wear jewellery. Whilst 24 carat gold is exceptionally beautiful, the quality of the finished item cannot be guaranteed to last your lifetime. The two types of gold sold are 18 carat (which is three quarters pure) and 9 carat (37.5% pure). The metals used in alloy with these gold items serve purely to strengthen the gold itself (except in the case of rose gold and white gold where other metals are used to change the colouration of the gold). These metals are susceptible to change caused by contact with the air.

14ct Gold is the most appropriate standard for threaded piercing jewellery, the metal being strong enough to maintain the threaded features even after repeated usage. 18ct is appropriate for general usage, the softness and gentleness soothes the body. Nickel is not used as a stabilizing agent in any product and skilled Goldsmiths handcraft all pieces.

9ct gold (375 gold) is only 37.5% gold and 62.5% impure alloying metal. Recently published data has confirmed that the corrosion resistance of gold alloy decreases significantly as the gold content is reduced. Low gold alloys corrode significantly and release metallic ions directly into body tissues, contaminating the wearer.
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