Search Results
Fine Jewelry University Articles matching: “Smoky quartz ring”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Quartz
…well known but surprising? What is affordably priced sometimes and sometimes unattainably expensive? If you answered quartz to all these questions you would be right (but naturally you looked at the title and knew). Quartz is one of the … earth. Many quartz varieties are cut into gemstones, but some varieties are very rare. Some are ordinary like rock quartz, others are exotic like Drusy Quartz. Some quartz material is a dollar per pound while others are $1,000+ per carat. …
-
Gem in the Spotlight: Tanzanite
… effects while they were still underground. Without heating, most tanzanite would be a brown color, similar to smoky quartz. The very small percentage of tanzanite that isn’t heated and is still pretty enough for jewelry displays trichroism… of tanzanite comes from its color. Tanzanite has a Moh’s hardness of 6-7, making it about the same hardness as quartz, softer than ruby, sapphire and emerald and hard than opal. Tanzanite has a refractive index of 1.69-1.70. History and …
-
Gem in the Spotlight: Amethyst
Amethyst is known for its beautiful purple color, and it is the most important quartz variety used in jewelry. Purple has long been considered a royal color, so it is not surprising that amethyst has … which means that it can withstand daily wear and tear. Amethyst has the same refractive index as other varieties of quartz at 1.54-1.55 and is doubly refractive. It has a vitreous polish luster and its specific gravity is 2.66. Its …tribute to the goddess Diana. In order to protect Amethyst, Diana turned her into a statue made of pure, crystalline quartz. Dionysus, upon seeing the stunning statue, wept tears of wine in remorse for his actions. These tears stained the …
-
Synthetic Gems: The Whole Story
… made silicon carbide. In gemology, any material used to look like a gem is called a simulant. So clear glass, rock quartz, GGG, and Moissanite are all diamond simulants. They look like diamonds, but they are not diamonds. These simulants … millions of dollars worth of equipment and world class personnel. Synthetic diamonds on the high end and synthetic quartz on the low end are both very difficult to positively identify as synthetic. Both, I feel, are impossible to identify …
-
Anatomy of a Ring
Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need … ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, the ring shank is generally said to start … point that the design stops. A jeweler will usually add or remove metal from the bottom of the shank when sizing a ring. This can sometimes be done so well that you would never know it was sized looking at the shank with your naked eye. …
-
The History of Diamond Cuts
… experience to get the job done right. The point cut diamond is likely where the tradition of the diamond engagement ring began. Mary of Burgundy became the first to receive a diamond engagement ring. Archduke Maximilian of Austria gave … the show straight up. Instead, they show it in a dome effect. The Modern Round Brilliant Cut Now, we are nearing the end of our journey through the history of diamond cuts. The modern round brilliant cut is a product of math and science…
-
Star White Gold
… grade 1 is premium. This means that when white gold is made, it can be yellowish to light yellow. When white gold rings are new they are coated with a white metal called rhodium. Rhodium is a metal very similar to platinum and rhodium …? Because they don’t know what the true color of the jewelry is when they buy it. I have seen a yellow gold ring heavily plated to look white. This was a true 14 karat yellow gold made to look white and it worked for a while. What the …
-
Gem in the Spotlight: Pearl
… changed hands many times, and was owned by several famous figures, including Napoleon III and Elizabeth Taylor. During Taylor’s ownership, the pearl was set into a necklace designed by Cartier, which also included diamonds and rubies. … once part of a larger piece of jewelry that also included the Hope Diamond, and that the two gems were separated during the French Revolution. Today, the Hope Pearl is owned by a private collector and is occasionally displayed at museums…
-
Jewelry Repair FAQ
… you have a question that you don’t see answered here, please contact us and let us know. A gemstone fell out of my ring. Will the new stone match the old one? We get this question all the time. People want their jewelry to look just the … have a yellow tint to them, so they require regular rhodium plating to keep looking white. How often should I bring my jewelry in for check-ups? A little preventative maintenance can go a long way towards keeping your diamonds from …
