Will the sand gold jewelry fade?

Q: What is the purity of sand gold jewelry? Will it change color after wearing it for a long time? Answer: Sand gold is formed from gold ore exposed on the ground. After a long period of wind and rain, the rock is weathered and cracked. The gold is separated from the veins and the sediment flows down the water. It is deposited as a gold-bearing layer on the bottom of the river or under the sand. Sand gold. Many years ago, some people wore sand gold jewelry. The purity of sand gold jewelry was more than 80%, so it would not fade, and the price was only tens of yuan cheaper than pure gold. But now basically no sand gold jewelry is produced. The sand gold jewellery is probably just gilded copper jewellery. The information comes from the Internet, please contact if it involves infringement. Previous: 925 silver necklace, why the circle is closed