2010年8月31日星期二

Breitling Women's

Breitling Women's Gold has an excellent chemical stability with a high resistance to corrosion and oxidation. However, this is just one of the many properties that gold possesses, which when considered in combination with each other have led to a number of exciting and often unique industrial applications. 24 Carat gold is like pure silver is too soft to work with and it is often mixed with other metals. The metals that are mixed with gold create different gold shades. An example is Copper, the higher the percentage of copper is in the mix, the more ;coppery; the color of the gold will be, so we have rose gold.Breitling Women's
Breitling Women's

The higher the Carat is, higher the percentage of pure gold there is in the piece. It is important to note that 24K gold is very soft, so it also follows that the higher the Carat is the softer the piece will be. The percentage of gold in a piece of jewellery is measured in Carats. It is used to measure the purity of Gold. A Carat was originally a unit of mass (weight) based on the Carob seed or bean which was used by ancient merchants in the Middle East. The Carat is still also used for the weight of gem stones where 1 carat = 200mg. For gold it is used to measure the purity where pure gold is