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  2. Jewellery cleaning - Wikipedia

    en.wikipedia.org/wiki/Jewellery_cleaning

    Keeping your jewelry clean helps to ensure that the gemstone (s) keep a good appearance and prevents dirt and grease (among others) from loosening them. Dirty jewelry may also cause skin irritation. [1] A professional cleaning may take anywhere from a few minutes to a few days depending on the circumstances. The cleaner would first inspect the ...

  3. Gold-filled jewelry - Wikipedia

    en.wikipedia.org/wiki/Gold-filled_jewelry

    Gold-filled material is made by bonding a layer of gold alloy to a base metal core (typically brass, but sometimes copper or silver). This creates a material with the appearance and durability of solid gold, but at a lower cost. Gold-filled material is used to create a variety of products, including: Jewelry: Gold-filled is a popular choice for ...

  4. Tarnish - Wikipedia

    en.wikipedia.org/wiki/Tarnish

    Tarnish is a product of a chemical reaction between a metal and a nonmetal compound, especially oxygen and sulfur dioxide. It is usually a metal oxide, the product of oxidation; sometimes it is a metal sulfide. The metal oxide sometimes reacts with water to make the hydroxide, or with carbon dioxide to make the carbonate. It is a chemical change.

  5. 15 Best Places To Sell Your Gold for Cash

    www.aol.com/15-best-places-sell-gold-145103625.html

    8. Pawn Shops. Most cities have a few pawn shops around town, which makes them a convenient option for selling gold. One of the main advantages of pawn shops is the ability to receive instant ...

  6. This Jewelry Cleaning Solution Has Over 13,000 Five-Star Ratings

    www.aol.com/jewelry-cleaning-solution-over-13...

    It cleans your diamond jewelry, and more, in a snap. This product has nearly 14,000 ratings on Amazon with an average of 4.7 stars—and it’s honestly as easy, if not easier, to use than putting ...

  7. Conservation and restoration of silver objects - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Whether silver plating or pure silver, the composite of the metal will tarnish when exposed to air and sulfur. Tarnish is a chemical reaction on the surface of metal (copper, brass, silver, etc.) and causes a layer of corrosion. In the case of silver tarnish, the silver combines with sulfur and forms silver sulfide (Ag 2 S), which is

  8. Gold plating - Wikipedia

    en.wikipedia.org/wiki/Gold_plating

    Gold plated - gold layer thickness greater than or equal to 0.5 micron; Heavy gold plated / Vermeil - gold layer thickness greater than or equal to 2.5 micron; Gold plated silver jewellery can still tarnish as the silver atoms diffuse into the gold layer, causing slow gradual fading of its color and eventually causing tarnishing of the surface ...

  9. Silver-gilt - Wikipedia

    en.wikipedia.org/wiki/Silver-gilt

    Silver-gilt or gilded/gilt silver, sometimes known in American English by the French term vermeil, is silver (either pure or sterling) which has been gilded with gold.Most large objects made in goldsmithing that appear to be gold are actually silver-gilt; for example most sporting trophies (including medals such as the gold medals awarded in all Olympic Games after 1912) [1] and many crown ...