Gold's attributes?

1. The color of gold:
The golden yellow of the golden Chancan has made it a noble, status and beautiful symbol from ancient times. Its yellow made the ancients think of the energy and health of the sun, creating classics for modern people, traditional and mature beauty. The golden yellow yellow represents the excellent choice for gifts.
2. The preservation of gold:
From distant ancient times to modern changes, the value of gold has been increasing, especially in recent years Expert's expectation. This means that buying gold jewelry is equivalent to an investment, and it is a risk -free investment. At present, the gold "replacement" activity launched by various jewelry dealers has laid the foundation for the more golden value preservation.
3. The density of gold:
The normal temperature is pressed down. The density of the gold is 19.32 grams / cubic centimeter, which is nearly 20 times the water and more than 3 times the iron. This sense of weight is a major feature of precious metals. It allows customers to personally appreciate the preciousness of gold. It has a feeling of being valued and cherished. Because of the weight of gold, some people rely on the weight of the gold to distinguish the authenticity of gold.
4. Gold's melting and boiling point:
The melting point of gold is 1064.43 ° C, and the boiling point is 2808 ° C. As the saying goes: "Real gold is not afraid of fire refining" means this. Therefore, gold is very safe, so you don't need to worry about accidents that will reduce gold, so it has been used for value preservation.
5. Gold's hardness:
The hardness of the gold of the gold is 2.5, which is comparable to the human nail hardness.
Therefore, gold jewelry should pay special attention to scratching. (Mo's hardness was a German mineral scientist Freedremo in 1822 and chosen ten minerals as the standard for measuring the hardness of minerals. The hardness of sapphire is 9.) The hardness of daily necessities and dust are generally between 6-7, so jewelry with less than 7 should pay special attention to scratching.
6. Gold's toughness and ductility:
The toughness and ductility of gold. 1 gram of pure gold can be pulled into a filament of more than 3000 meters, and it can also be forged into a 9 -square -meter gold foil. Therefore, gold can be made into a variety of exquisite and complex jewelry, such as fine brushed rings or pendants, which also determines that gold jewelry will never exit the trend of fashion.
7. The stability of gold:
This has high stability and strong corrosion resistance.
8. Gold's rarity:
The is about 145,000 tons of gold in the world. For each gram of gold, 1 gram of gold requires 1 tons of ore. The world's gold production is Russia, South Africa, the United States, and Canada.

In recent market analysis, gold prices will rise.

Gold is preserved.