The first use of Gold over 6000 years ago was apparently the production of attractive objects. Gold was the first metal used by humans and it is very easy to work for its pure state. Nowadays, the creation of jewelry is used by the mined or recycled gold. Each year, about 78 % is used just for the production of Gold.
Because of the characteristics having by gold was the reason why it is the applicable gemstone in creating jewelries. These aspects are included of: adorable yellow color; befoul resistance; high luster; can be hammered into thin sheets to form any shapes and the capability to drawn into wires. Another very important thing is that it is traditional to use gold in making jewelries.
The pure gold is too soft that is why it has the ability to stand up from stresses applied when making jewelries. It is discovered by the Craftsmen that combining Gold to another form of minerals like silver, platinum and copper can increase its durability. Since then it is practiced by them to combine Gold with the other mineral because of this good effect.
In spite of the good effect of combining Gold to other mineral, it can lower the value per unit of the pure gold. “Karatage” a known standard trade was established to label the gold content of the combination. High karat jeweler is softer and more resistant to disgrace while the low karat jewelry is vice versa of it especially when it experienced to have a contact with perspiration.
Through combining Gold to another metal can change of color of the finished item. Yellow gold is the combination of 75% gold, 16% silver and 9% of copper yields while White Gold is 75% gold, 4% silver and 17% of palladium. Other combination of metal to Gold of may affect peach, green, pink and even black colored metals.
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