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2. How to Clean Gold Jewelry, According to a Professional Jeweler

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

   Gold jewelry is beautiful, durable and relatively easy to maintain. That said, not all gold is created equal and even the solid (i.e., not gold-plated) stuff requires an occasional polish. Without

3. Jewellery cleaning - Wikipedia

   en.wikipedia.org/wiki/Jewellery_cleaning

   Keeping your jewelry clean gives the gemstone(s) a good shiny appearance by removing 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.

4. Jewelry hygiene - Wikipedia

   en.wikipedia.org/wiki/Jewelry_hygiene

   The only exception is a plain gold wedding band. Jewelry hygiene expert David Bellman reacted to the announcement a few days later stating "This new policy change in long over due; in 2014, 1 in 6 Americans experienced some form of food poisoning and based on our research, contaminated jewelry is clearly playing a meaningful role."

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

   www.aol.com/clean-silver-jewelry-way-keep...

   Silver jewelry is stunning, always trendy and versatile enough to be dressed up or dressed down. But of course, anyone who’s owned a silver piece will tell you that the precious metal is prone ...

6. Granulation (jewellery) - Wikipedia

   en.wikipedia.org/wiki/Granulation_(jewellery)

   There are three basic techniques that may be used to attach granules to a metal surface: hard soldering, fusing and colloidal soldering. The metals used in granulation are usually gold and/or silver alloys of high purity – alloys below 18 kt. gold and sterling silver being unsuitable. With each technique, the process begins with the making of ...

7. Drywasher - Wikipedia

   en.wikipedia.org/wiki/Drywasher

   Drywasher - A mechanical apparatus used for separating free particles of placer gold from dry sediments. Dry placers represent a major portion of all alluvial gold deposits around the globe. Extreme aridity in southern hemispheric regions of the planet causes a slower rate of erosion on placer deposits than if rainfall were plentiful and ...