Part 2: The Science of Cleaning Precious Metals

Gold, platinum, and diamonds don’t tarnish easily, but skin oils and grime form a dull film over their surfaces. Mild surfactants like dish soap lift away these greasy layers without reacting chemically with the metal.

For sterling silver, tarnish occurs when silver reacts with sulfur in the air to create silver sulfide. Removing this dark coating requires either a mild abrasive or a gentle chemical reaction to break the bond without scratching the surface underneath.

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