Gold is valuable mainly because it is rare.
1, gold is expensive because the mining process requires a lot of labor and material resources, that is to say, its production costs are very high, and the quantity is rarer than most metals.
2, gold is not easy to wear and tear, hardness is not high, easy to cut, but also because of the precious, so there is a monetary properties of a feature.
3, gold glittering, dazzling, but also laid the gold and other jewelry equal to the noble decorative value.
4, gold in the industrial, chemical and medical and other industries is also a very high-end applications.
5, in summary, the demand for gold, small reserves, and has the function of monetary properties, so the price is naturally high.
Expanded Information:
1, gold itself is a precious commodity, the price of gold will rise with inflation, that is, gold offsets the loss of inflation, to ensure that investors' assets will not be eroded by inflation.
2, the price of gold in the emergence of the crisis can still maintain the same or even a steady rise, to maintain the value of the asset, reflecting a very good safe-haven properties.
3, gold can be traded 24 hours a day, has a good circulation.
4, the value of gold is stable, not easy to depreciate.
Baidu Encyclopedia - Gold