White Gold Plated Vs Sterling Silver
Regarding white gold nickel is generally used as the alloy but often white gold is plated with rhodium a silvery white metal in the platinum family.
White gold plated vs sterling silver. White gold is worth more than sterling silver but it has to be karat gold eg. If you only wear it for special occasions it will maintain its plating for longer. Sterling silver is less durable than white gold which is why most people choose the material for everyday wear items like their wedding band. Sterling silver is the most affordable white metal on the market today.
As mentioned above sterling silver is 92 5 pure silver alloyed with copper but in some cases nickel may be present in the other 7 5 of metals. White gold does not have a particular hallmark to identify it and is generally stamped with the same hallmarks used for gold 417 for 10k gold 587 for 14k gold and 750 for 18k gold. Sterling silver is more prone to tarnish and corrosion because it reacts with oxygen in the air because of its copper content thus requiring more cleaning. Pure gold comes with a fancier price tag as well as the nickel alloy.
White gold is resistant to corrosion because it is commonly rhodium plated. 10k 14k 18k etc. This is the case because white gold is made up of up to 75 pure gold. It only needs periodic cleaning to maintain its shine.
Typically white gold is more valuable than sterling silver.