Copper in jewelry! Its a great metal to be used in making jewelry because of its qualities such as durability and unique reddish brown color. The first use of copper in making jewelry goes back to 8th century BC. It is also a great metal to be added with gemstones having colors like red, blue and green. It is perfect to be paired with precious metals like gold and silver as it adds on... https://nirwaana.com/pages/copper