White gold is often plated in rhodium to make it appear pure white. White gold was originally developed to imitate platinum, according to the United States Geological Survey. Platinum is denser ...

McDonough also recommends to “keep in mind that white gold is often plated with rhodium to enhance its white appearance, so ...

So we black-rhodium-plated behind the emeralds. The diamonds was left white gold, and the rubies we plated in a red gold. The pink solution was just blocking off so the black didn't spill into the ...