Key Takeaway
Sterling silver is 92.5% pure silver and 7.5% copper. That copper content controls hardness, tarnish behavior, skin reactions, an...
Key Takeaway
Sterling silver is 92.5% silver and 7.5% copper — a ratio unchanged since 1275 AD. That copper controls tarnish, hardness, and sk...
Key Takeaway
Silver tarnishes because sulfur in the air reacts with the metal’s surface — not because the jewelry is low quality. Regular wea...