What is cu14k?

Cu14k refers to 14-karat copper, which is an alloy consisting of 58.3% pure gold and 41.7% other metals, often copper. The term is commonly used in the context of jewelry, where 14k gold is popular for its balance of durability and value. It has a distinct reddish hue due to the copper content and is favored for its strength and affordability compared to higher karat golds.