The differences between sand gold and gold include: different purity, different origin, different fineness, different hardness, different price, etc.
When many people go to the gold store to buy gold jewelry, because they don’t know much about gold, they can’t tell the difference between alluvial gold and gold? Let’s find out together.
Detailed content
01
Different purity
The main difference between alluvial gold and gold is purity. Sand gold is raw gold, and its content is not high. Gold is a metal in chemical elements. Gold is soft and one of the precious metals with strong corrosion resistance. Gold contains gold of different purity. Sand gold is only one of gold.
02
Different origin
The gold is mainly produced in the bottom of rivers or low-lying areas, often mixed with stone and sand, must be washed to obtain gold. Gold comes from ores and mines.
03
different color
There is also a difference in the fineness of gold and alluvial gold. Alluvial gold particles vary in size and shape, and vary in color depending on the fineness. More than 90% are reddish yellow, 80% are light yellow, and 70% are blue-yellow. Gold color is golden yellow.
04
Different hardness
There is little difference between the hardness of pure gold and that of human nails. The higher the purity of gold, the lower the hardness. On the contrary, if there are more impurities in gold, the hardness will be harder. The purity of gold in gold placer is very low, and the hardness is very high, so it is very difficult to deform.
05
The price is different
The sales of full gold are divided into grams of sales and a price of gold, the purity of gold is different, the price is also very different, for the purity of gold will have obvious standards and labels, such as 18K gold contains 75% gold can not be marked as full gold jewelry, but the price of sand gold is not clearly divided, for the amount of gold content, there is no obvious marking.