Seven Methods of Identifying Gold Jewelry

When shopping for gold jewelry, you must first identify its authenticity. There are seven methods as follows: 　　 The weight is equal. Compared with the metal jewelry of the same volume, the weight of gold is heavier. The second is to listen to the sound. Throwing the gold jewelry on the ground will make a 'click' sound. If the content is low, you must first identify the authenticity when buying gold jewelry. There are seven methods: one weighs, Compared with metal ornaments of the same volume, gold jewelry has a heavier weight. The second is to listen to the sound. Throwing the gold ornaments on the ground will make a 'click' sound, and the low content will make the pronunciation clear and crisp. The third is to look at the color. The luster of gold jewelry lasts for a long time. The jewelry with high gold content is red, and the poor one is yellow. The fourth is to test the hardness. The higher the gold content of the jewelry, the softer it is. When you scratch it with a hard needle tip, there will be obvious traces; the traces with low gold content will be blurred. Fifth, hand-bending, real gold is soft, hand-bending, easy to bend and not easy to break, and color-difference jewelry is easy to break and not easy to bend. Sixth, use fire to burn jewelry. Real gold is resistant to burning and does not change color. Fake gold loses its luster or even turns black and purple after burning. Seven is the acid test. Gold is insoluble in hydrochloric acid, sulfuric acid, and nitric acid, while other metals change when they encounter triacids. Previous: Pure gold jewelry signs should not be written as 24K Next: Identifying gold through scientific and technological means