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黄金,素有“百金之王”、“五金之长”之称。数千年来,一直供制作首饰和金币之用,被视为财富的象征。自1979年恢复黄金饰品的生产与销售以来,金首饰品供不应求。近来,市场上各种首饰繁多,在人们中掀起了“首饰热”。下面为大家介绍选择首饰的知识。一、金饰品的识别金具有瑰丽的金黄光泽,故称黄金。但成分改变时,颜色随之而变:金中加入银、铂颜色变淡;加入铜颜色变深。金的纯度,可以用试金石鉴定,称之为“条痕比色”。
Gold, known as the “King of 100”, “long hardware,” said. For thousands of years, the production of jewelery and gold coins has been used as a symbol of wealth. Since the restoration of gold jewelry production and sales in 1979, the demand for gold jewelry is in short supply. Recently, various kinds of jewelery on the market have created “jewelery fever” among people. Here to introduce the choice of jewelry knowledge. First, the identification of gold jewelry Gold has a magnificent golden luster, so gold. But the composition changes, the color changes: gold added silver, platinum color fades; add copper color darker. The purity of gold, you can use touchstone identification, called “streak color.”