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  2. 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 ...

  3. Jewellery cleaning - Wikipedia

    en.wikipedia.org/wiki/Jewellery_cleaning

    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 as not being able to get wet without damage. Keeping your jewelry clean gives the gemstone(s) a good shiny appearance by removing dirt and grease (among others) from loosening them.

  4. 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

  5. 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.

  6. Gilding - Wikipedia

    en.wikipedia.org/wiki/Gilding

    Gilding gives an object a gold appearance at a fraction of the cost of creating a solid gold object. In addition, a solid gold piece would often be too soft or too heavy for practical use. A gilt surface also does not tarnish as silver does. Modern gilding is applied to numerous and diverse surfaces and by various processes.

  7. Conservation and restoration of bone, horn, and antler objects

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

    These must be applied carefully and removal of any stains or other harmful substances must be done first. "Consolidants may be water- or solvent-based." [3] Removal of surface dirt: when minimal dusting and maintenance are not successful in removing surface dust, a conservator may perform more intensive cleaning, using water and a safe cleaner ...

  8. Glamorous gold jewelry staples you can wear on repeat — all ...

    www.aol.com/lifestyle/glamorous-gold-jewelry...

    Wear it alone or layered with your other favorite pieces — there's no wrong way to style this 14k gold-plated, tarnish-resistant necklace. "You just can’t beat the price of this necklace.

  9. Gold-filled jewelry - Wikipedia

    en.wikipedia.org/wiki/Gold-filled_jewelry

    Most high quality gold-filled pieces have the same appearance as high carat gold, and gold-filled items, even with daily wear, can last 10 to 30 years though the layer of gold will eventually wear off exposing the metal underneath. The layer of gold on gold-filled items is 5 to 10 times thicker than that produced by regular gold plating, and 15 ...

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