lucky brand wholesale jewelry Please explain the method of gold fraud in the market. What kind of fake gold is the most difficult to identify? How to make fake gold appear the prototype? Intersection

blue moon jewelry wholesale Look at the color, the color of the color is high, and the hardness: the pure gold is soft and the hardness is low. The nails can be used to draw a shallow mark. More than 99%of the real gold is thrown on the hard ground, and it will make a sound, there is no rhyme or elasticity, burning with fire: the jewelry will be burned red with fire, and the color will not change after cooling.