Search Results
Fine Jewelry University Articles matching: “Stamp scratched off”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Pearl
… extra care to continue looking their best. With a Mohs hardness of 2.5, pearls are among the softest (most easily scratched) materials commonly used in jewelry. Follow these simple rules to help your pearls last for generations. Last on, …) for cleaning because this can weaken the silk thread they are strung on over time. Store Safely: Pearls can be scratched by sharp objects like the metal and gems in other jewelry. They can also stretch out if they are hung for storage. …
-
Platinum
… wear it while handling strong acids. Store it in a fabric-lined box away from other pieces so that it does not get scratched. If required, it should be polished once in awhile by the local jeweler to restore its new look. However, despite its…your platinum jewelry separately and with care, not allowing pieces to touch each other because even platinum can be scratched. Signs of wear such as scratches can eventually appear on platinum. However, due to the metal’s durability there is …
-
Gold Purity and The Differences Between White and Yellow Gold
… is a 14 karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. In most engagement rings the stamp in the ring is 14k or sometimes 585. Both of those stamps mean the wedding ring is 14 karat gold. So the only pure … non gold metal. Some plated jewelry has markings that look like real solid gold. For example, a plated piece can be stamped: 14k HGE or 18k GE. HGE means hydrostatic gold electroplating. Plated gold is measured in how many molecules of …
-
Caring for and Cleaning Your Jewelry
… list at Mohs 3. Platinum list at Mohs 4.33. Sterling silver list at Mohs 2.5. This shows why jewelry metals get scratched by things like hard toothbrushes and dirt (most dirt ranges 4-8 on the Mohs scale). Several different types of settings … work with your hands. Make sure to put your jewelry in a safe place that you will remember when you take it off. There is a lot you can do on your own to keep your jewelry shining like new, but sometimes, there is just no substitute for…
-
Alternative Metals for Men’s Jewelry
…nature. There are some potential cons to wearing a titanium ring that you should consider. Titanium rings can be cut off with a diamond-tip ring cutter, but because of their very high strength, Titanium rings are much more difficult to … a big problem depending on where you buy your tungsten ring. Because they are so hard Tungsten rings cannot be cut off by standard jewelry cutters, but they can be removed in case of an emergency. The trick is to apply pressure instead …
-
Gem in the Spotlight: Topaz
… lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic Topaz. These enhanced topaz pieces must be handled with special care because the coating can be scratched and the gem ruined very easily. Mystic topaz comes in virtually any color from sunset orange, to violet, to green. These coatings can allow topaz to be any color of your preference. Topaz itself is a hard gemstone with a Mohs hardness of…
-
The Difference Between White Gold and Platinum
… by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. Alloying also effects the second issue. Both pure gold and pure platinum are soft metals. In fact both 24 karat gold and .999 platinum can be scratched and dented with a fingernail. Nether gold or platinum in their pure state will hold a shine for long. All white gold jewelry and most platinum jewelry are alloyed. The alloying is also a hardening process for both metals. The hardeners …
-
Gem in the Spotlight: Quartz
… watches are so accurate, oftentimes several orders of magnitude more accurate than even the most precise mechanical watches. Triboluminescence is another amazing physical property of quartz. When quartz is broken, pulled apart, or scratched it releases small amounts of static electricity as light. If you take two pieces of quartz and rub them together in a dark room, they create a dim light which is often called cold fire, as it creates enough light to see, but no heat. …
-
Styles of Earring Backs
… a secure option, ideal for both stud earrings and dangle earrings. Ease of Use – They are easy to put on and take off. Budget Friendly – Friction backs are among the more budget friendly styles. CONS Losing an Earring – The closest ….” This style is a bit more expensive, but is the sweet spot of security and ease of use. As easy to put on and take off as the friction back, and at least as secure as the threaded back, this style is ideal for more valuable jewelry …
