wholesale jewelry catalogs How about the goldenness of Taiwan's Zeta jewelry? how do you know

where can i buy wholesale jewelry charms The purity of the gold jewelry of Zeta jewelry in Taiwan is relatively high. You can identify it according to a set of simple methods summarized by the people.
This is: look at color, 掂 weight, listening rhyme, folding hardness, stone grinding, contrast cards, sour points, fixed color. The first four sentences depends on the eyes and the feeling; the latter four sentences need to be used by tools and reagents.
The different luster and color of gold can be generally distinguished from pure gold, K gold, real gold, and fake gold. That is, gold is better with red yellow, and the color is more than 95%; the positive yellow color is about 80%; the blue and yellow color is about 70%; the yellow color is slightly gray and the color is about 50%. Therefore, there is a formula for "seven greens, eight yellow, nine five red, and yellow leucorrhea ash. For jewelry from Jiu Tibet, there will be a saying that "copper turns green, silver turns black, and gold will never change color".
Gold has the characteristics of ductility and hardness, which can be pressed into thin pieces of 12.7 microns. When the color is high, marks can be left with large head needles or nails. More than 97%of gold jewelry, after twisting two or three times, wrinkles appear at the bending, also called fish scales; about 95%of gold jewelry, it feels hard when bending, and the fish scales are not obvious; about 90%of the golden gold golden gold; The jewelry is very hard when the bending is bent, without fish scales; gold jewelry containing more impurities, bend twice or three times to break; if it is made for raw gold, the bend is broken. When using this method, the width and thickness of the jewelry should be considered. The thick and width should be hardened, and the thin and narrow ones are softer.