cubic jewelry wholesale Is the old temple gold without a rigid seal? Is it true?

mx signature collection jewelry wholesale Seal: Silver jewelry should generally be used as the mark of Silver's English abbreviation ("S" or "Sterling"). The mark of the standard silver is S925. Foot silver's mark is S990. However, many countries do not print on silver jewelry. Look at the color of jewelry: the higher the purity, the white the silver, the surface of the jewelry, the surface of the jewelry looks uniform and bright, and there is a moisturizing color. If it contains lead, the jewelry will show blue and gray; such as copper, the surface of the jewelry will appear rough, and the color is not moisturized.银 Jewelry Weight: Silver density is slightly larger than common metals. Generally speaking: "Aluminum is light, silver, and copper is not light and not heavy." Therefore, the weight can make a preliminary judgment on whether it is silver. If the jewelry is large and the weight is lighter, it can be preliminarily determined that the jewelry is other metals. Check hardness: Silver hardness is lower than copper, and is large than lead and tin. It can be tested with inconspicuous places with large head needles. If the needle is slippery, it is difficult to leave traces on the surface. The tin texture, the traces are obvious and prominent; if there are traces of the facts, but not obvious, it can be initially determined as silver jewelry jewelry. Listening rhyme: Silver jewelry jewelry throws sound, no elasticity, and the sound is "卟 卟 卟 听". The lower the color, the lower the sound, and the higher the sound, the higher the rhyme; if it is copper, the sound is higher and sharp, and the rhyme sounds are short and short; , No elasticity. Acid test: Silver will change color and even dissolve. If a drop of concentric acid is dripped on the inner side of the silver jewelry, a white moss -like silver chloride sediment will be generated immediately. Other precious metals have no such phenomenon.