Gold is prized for its ability to resist corrosion, keeping luster even when exposed to everyday wear and air.

https://www.benzinga.com/general/23/03/31463356/behind-the-gilded-curtain-why-billionaires-love-gold-and-how-you-can-get-the-same-benefits

Gold is prized for its ability to resist corrosion, keeping luster even when exposed to everyday wear and air.