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Fine Jewelry University Articles matching: “smokey quartz cocktail ring”
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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. …
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Gem in the Spotlight: Topaz
…imperial). Golden Topaz: Yellow to orange without any red component (could be called precious topaz if more orange). Smokey Topaz: Brownish grey color. Blue Topaz: The most common color. A full range of shades is available from light Sky … which is a 10 and corundum (sapphire/ruby) which is a 9 on the scale. It is a bit harder than emerald at 7.5-8 and quartz which comes in at 7. Here are some more gemological stats for reference: Refractive index: 1.619 to 1.627 …
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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 …
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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. …
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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 …
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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 …
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Types of Jewelry Clasps
…production of jewelry, and the demand for simpler, more affordable clasps grew. This led to the development of the spring ring clasp, which is still widely used today. The spring ring clasp features a small, spring-loaded mechanism that …. Other types of jewelry clasps that emerged in the 20th century include the lobster clasp, which features a spring-loaded mechanism that opens and closes by pressing a small lever, and the toggle clasp, which consists of a bar that …
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How to Value Inherited Jewelry
…their offer can be significantly lower than even the intrinsic value of a piece. We have even heard of cases where a ring with a one carat diamond and $50 in scrap gold was valued at $50 by these operations. The intrinsic values for the … some of the strongest value to jewelry, but a professional jewelry appraiser has no way of establishing or measuring this value. In the end, it is up to the family to work out a just solution. The desire to have a fair equitable division…
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The Difference Between White Gold and Platinum
… its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. The white color is achieved by a careful choice of the alloying … because if you don’t like the light yellow look of a specific manufacture, then don’t buy it. New white gold rings are usually coated with a hard protective finish of rhodium, a silver-white metal like platinum. The rhodium plating is …
