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  2. How to Clean Tarnished Silver, According to Cleaning Experts

    www.aol.com/clean-tarnished-silver-according...

    Work the paste into the crevices, turning the cloth as it gets gray. Rinse and buff dry. For silver jewelry that is tarnished, apply a tiny dab of white paste toothpaste (not gel) on a soft cloth ...

  3. Here’s How to Clean Silver Jewelry the Right Way (And ... - AOL

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    Below, we tapped two experts for everything you need to know about how to clean silver jewelry like a pro, plus some tips on how to pre. Silver jewelry is stunning, always trendy and versatile ...

  4. Jewellery cleaning - Wikipedia

    en.wikipedia.org/wiki/Jewellery_cleaning

    Jewelry with gemstones such as diamonds or sapphires can be cleaned at home as well using mild soap and warm water. However, gemstones such as opals and pearls should be done professionally. Another issue is the age of jewelry, as certain materials or build strategies of older jewelry (such as from the Georgian era ) may have restrictions, such ...

  5. Pewter - Wikipedia

    en.wikipedia.org/wiki/Pewter

    Pewter was a leading material for producing plates, cups, and bowls before the wide adoption of porcelain. Mass production of pottery, porcelain and glass products have almost universally replaced pewter in daily life, although pewter artifacts continue to be produced, mainly as decorative or specialty items. Pewter was also used around East Asia.

  6. 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

  7. Tarnish - Wikipedia

    en.wikipedia.org/wiki/Tarnish

    Tarnish does not always result from the sole effects of oxygen in the air. For example, silver needs hydrogen sulfide to tarnish, although it may tarnish with oxygen over time. It often appears as a dull, gray or black film or coating over metal. Tarnish is a surface phenomenon that is self-limiting, unlike rust. Only the top few layers of the ...

  8. Stieff Silver - Wikipedia

    en.wikipedia.org/wiki/Stieff_Silver

    The company thrived for generations, later moving into pewter, jewelry, and plated wares. In 1967, Stieff bought another Baltimore silversmith, the Schofield Company, makers of sterling silver flatware and the Woodlawn Vase replica, which is the trophy given at the Preakness each year. When Stieff bought Schofield, the employees were ...

  9. Ultrasonic cleaning - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_cleaning

    The lower tank containing dirty fluid is heated causing the fluid to evaporate. At the top of the machine there is a refrigeration coil. Fluid condenses on the coil and descends into the upper tank. The upper tank eventually overflows and relatively clean fluid runs into the work tank where the cleaning takes place.