Mark Sandler
Graduate Gemologist, Jeweler, & Appraiser
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Co-authored Articles (8)
How to
Clean a Rusty Necklace
Rusty or tarnished jewelry can look dull and not quite as pretty as new jewelry. Rust looks reddish and flaky, and usually shows up on costume jewelry, while tarnish appears dull and usually affects silver jewelry. You c...
How to
Clean Pearls
Since ancient times, pearls have been considered a symbol of unblemished perfection. Pearls are extremely soft, though, so cleaning them when they get dirty can be tricky. The key is to know the right products to use and...
How to
Get Scratches Out of Marble
''Restore your polished marble with these wet and dry sanding tips'' Marble is a beautiful and elegant addition to a home, whether it's used as flooring, on counters or tabletops, or in decorative pieces. Unfortunately, ...
How to
Clean Copper Jewelry
Copper jewelry, even pieces that have been lacquered, can tarnish over time because of exposure to sulfides in the air, as well as humidity. Luckily, copper jewelry is easy to clean with household products. First, select...
How to
Become a Gemologist
If you’re interested in gems, there are plenty of career opportunities in gemology, including appraisers, retail associates, lab gemologists, or jewelry designers. It can be tough, however, to figure out how to get st...
How to
Clean Amethyst
Amethyst is a purple form of quartz with geodes of densely packed crystals that point toward the center. Amethyst should be cleaned regularly to prevent dirt and debris from building up on the surface. You can clean your...
How to
Keep Necklaces and Chains from Rusting
Rusted or tarnished metals can make chains and necklaces appear dull. To prevent your items from rusting, keep your jewelry away from humidity and water. Store the jewelry safely in an enclosed container. Regular cleanin...
How to
Clean a Necklace
When necklaces are dirty and tarnished, they lose their sparkle and shine. Luckily, it's easy to clean a necklace, no matter what it's made from. Gold, silver, pearls, and costume jewelry all require different approaches...
