Lesson 22 · Metals & Finishes · 35 seconds
Why real silver turns dark
Real silver can darken when sulfur compounds in the air react with its surface and form tarnish. That surface change is not a sign of fake silver, and the right care depends on plating, deliberate dark finishes and gemstones.
What this lesson shows
Tarnish is a surface change.
The enlarged, not-to-scale section shows sulfur compounds meeting the surface and a thin tarnish layer forming, with silver still underneath. Plating, deliberate dark finishes and gemstones can change how a piece should be cleaned.
Three quick takeaways
What to actually do when you shop
- Darkening on real silver is usually tarnish at the surface, not the metal changing all the way through.
- Plating, a deliberate dark finish or gemstones can change the right care for the piece.
- Ask which cleaning method suits the piece before polishing.
The pendant footage is AI-generated illustration. The cross-section is enlarged and not to scale. No cleaning method is demonstrated. The narration uses an AI-generated voice. Captions are shown in the video.
Read the transcript
Real silver can turn dark. That color alone does not mean it is fake. Sulfur compounds around us can react at the surface and form tarnish. Think of it as a surface change, not silver turning into another metal all the way through. The right care depends on the piece: plating, deliberate dark finishes, and gemstones can change the advice. Ask which cleaning method suits it before polishing. Explore more in the Aydins Jewelry Learning Center.
Sources
- Canadian Conservation Institute, understanding silver tarnish: www.canada.ca/en/conservation-institute/services/preventive-conservation/guidelines-collections/metal-objects/understanding-silver-tarnish.html
- Canadian Conservation Institute, silver polish note: www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-conservation-institute-notes/precipitated-calcium-carbonate-silver-polish.html
- GIA, how to clean jewelry: 4cs.gia.edu/en-us/blog/holiday-buying-guide-clean-jewelry/
Related lessons
Sterling silver material information · the Aydins guide to the material.
What is under white gold's bright finish? · another case where the surface and the metal differ.
Ring care guide · everyday care habits.
Next step
Learn more about sterling silver.
The sterling silver guide covers the material in more detail.