No. The hardness of silver is 2.7. In order to improve its hardness and obtain the best molding effect, Lao Fengxiang added 7.5% copper to silver when making jewelry. This alloy containing 92.5% silver and 7.5% copper is called standard silver internationally. Also known as the pound in Britain. In addition, there are enough silver ornaments with a silver content of 99% on the market.