Search Results
Fine Jewelry University Articles matching: “Old European cut”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University
-
Gem in the Spotlight: Aquamarine
…Notable Aquamarine Gemstones The largest gem-quality aquamarine gemstone ever mined was 19 inches long. The largest cut aquamarine is named the Dom Pedro and is an astounding 10,363 carats. It measures 14 inches long and is currently on … to damage from knocks against hard objects when being worn. Take off your aquamarine jewelry when doing household chores, going to the gem, or otherwise working with your hands. With proper care a piece of aquamarine jewelry can last …
-
Caring for and Cleaning Your Jewelry
… use chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). Abrasive cleaners and toothpaste or toothpowder will also scratch the metals. This will take away the…good idea to soak jewelry for very long in ammonia-based cleaners. Some anti-bacteria cleaners can also degrade the solder used in jewelry, be careful of long exposure to these types of soaps (people in the medical professions especially…
-
Gem in the Spotlight: Opal
… doublets, a lapidarist will use a piece of ironstone or black onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be set into jewelry. In triplets, that thin piece of opal is …Opal is not as hard as some other gemstones, making it susceptible to scratches and damage from sharp impacts. Household chemicals and extreme temperature fluctuations can also harm opals, so gentle care is essential. To keep opal at its…
-
Gem in the Spotlight: Amethyst
… reputed benefits are an ability to quicken the intelligence, make the owner more successful in business, protect soldiers, assure victory, help hunters, guard against contagious diseases, and control evil thoughts. Amethyst was once as … the natural stones it is not often performed. Beware of stones of perfect clarity, calibrated sizes, and precision cutting. Notable Stones One of the most famous amethyst stones is in The Morris Amethyst Brooch which is set with a large…
