Gold

Characteristics There are many characteristics of gold this is why it is such a popular metal and is of such a high demand. Gold is famous for its golden “butter” colour, its metallic lustre, its opaque transparency and its corrosion-resistant element . Gold does not rust, stain, tarnish or corrode which makes it excellent for making jewellery, and also makes a good as material for filling cavities in teeth, and it makes excellent fine wire for …

…two hundred tonnes of ore has to be mined to produce just one kilogram of gold), then crushed, and the powder is mixed with water. The gold sinks and the other wastes are washed away. The gold is treated with chemicals, melted and further purified, in a process called ‘smelting’. It is then poured into moulds where it cools and hardens as gold bars called ‘bullion’, which make the gold easy to stack and transport.