Gold is the first popularly known metal in the world, widely used in the production of ornaments because they are easy to work on.
Gold is said to have been first discovered by a child who went to a Creek and found a shiny rock and after the occurrence thousands years ago, Many persons have been discovering Gold in its natural form
It is a precious metal and the third most valued after platinum and palladium. It is bright in colour and slightly reddish yellow with other Physical characteristics such as its density and softness when in its purest form. It can be found throughout the earth crust including the sea but has a higher concentration in certain areas.
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The boiling and melting point of goods are noted to be 2,970°c and 1,064°c respectively.
Gold comes in different types but the most valued and best type is the 24 karat gold which can rarely be found.
There are different types of gold because if the combination of other metals with pure gold , the end product will turn out to have many colour or types.
- White gold– It has a colour close to platinum or silver and has greater percentage of other metals. Eng silver and a blend of a lesser percentage of gold.
- Green gold (electrum) – this type is a combination of gold and silver generally, it is a blend of 27% silver and 73% gold. The blend either gives a lighter or darker colour.
- Rose gold – Rise good comes in different shades depending on the amount of copper in it. The rose gold have a redder colour if it has more copper content. It is common to have a combination of 25% copper and 75% gold to make rose gold.
- Yellow gold– The are naturally occurring types of gold. It is in the pure form of gold. When producing jewelry, it is combined with other metals but yellow gold usually take up to 75%.
Aside jewellery, gold can be
- Used to conduct electricity
- Used as food additives in food and drink
- Used in cancer treatment
- Guarantees the value of currencies.
Currently, India is the largest importer of gold in the world.
