To identify the authenticity of gold jewelry

The main varieties of gold jewelry rings, earrings, necklaces, bracelets, brooches, etc., we must first identify its authenticity when buying gold jewelry, is:

Dian weight. Gold jewelry with the same volume of metal jewelry in comparison, heavy gold.

Second, listen to the sound, it will throw gold fell to the ground, will issue a "pop-pop" sound, then pronounce a low content of pure light and brittle.

Third, look at the color. Enduring luster of gold jewelry, gold jewelry, high red, yellow difference.

Fourth, hardness test, the higher the softer gold jewelry, plan what with a hard tip, there are obvious signs appear; low gold blurred prints.

Five is hand bent. Gold soft, hand-folded, easy to bend easily broken, from the color of the jewelry is easy to bend easily broken. Six is with fire. With fire burning jewelry, gold resistance to fire does not change color after the burning is false and dull, and even become dark purple. Seven is the acid test. Gold does not dissolve in hydrochloric acid, sulfuric acid, nitric acid, and other metals encountered three acid that is to change.