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Fine Jewelry University Articles matching: “Green Phantom Quartz”
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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: Jade
… had already been a tradition for thousands of years. At that time, gem carvers worked primarily with nephrite, quartz, lapis lazuli, and wood. With the introduction of jadeite, the carvers switched focus from the previous materials to this…and Synthetics Jade Jade has been replicated and imitated over the years. The most common imitations by far are dyed quartz, glass, and plastic. These imitations can be identified quickly by a trained gemologist. Other stones that have been…
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The Birthstones
…. Learn more about Garnet and Tasvorite Garnet February’s Birthstone: Amethyst Amethyst, transparent purple quartz, is the most important quartz variety used in jewelry. Purple has long been considered a royal color so it is not surprising …. According to legend, this golden stone possesses the power to cure many diseases. Citrine, a transparent yellow quartz gem many of the best of which come from Brazil, is a current day birthstone for this month. Learn more about Topaz and …
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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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Gem in the Spotlight: Emerald
…. Emerald’s Mohs hardness rating is 7.5-8 making it softer than sapphire and harder than amethyst and other quartz varieties. The refractive index of emerald ranges from 1.57 to 1.58, making it a moderately refractive gemstone. Its specific… a symbol of the reproductive forces of nature. Modern science has shown us that the human eye is more sensitive to green than to any other color thereby making it easier on the eyes. Pliny said that emeralds were the only gemstones that …
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Gem in the Spotlight: Peridot
Peridot is a lovely yellow-green gem with a rich history. Legend has it that Peridot was the favorite gemstone of Cleopatra. The ancients called it … for August. It is also the accepted anniversary gemstone for the 16th year of marriage. Peridot’s unique yellow-green color is very attractive. The name “Peridot” is simply a French word derived from the Arabic for green. Peridot’s color … soft appearance. Color is the most important characteristic when determining the value of a Peridot gem. The deeper green the peridot is, the higher its value. There is a lot of confusion over the pronunciation of peridot. It is actually …
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Gem in the Spotlight: Tsavorite Garnet
…, all with the time tested durability of garnet. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high refractive index giving it excellent sparkle and scintillation. Tsavorite is …, Tsavorite is around 200 times rarer than the much better known Emerald. Gemology Tsavorite’s rarity and beautiful green color reminds one of the other green garnet called Demantoid. Demantoid, however, is a completely different variety …
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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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Gem in the Spotlight: Opal
…. In triplets, that thin piece of opal is sandwiched between a piece of onyx and a clear piece of laboratory grown quartz (the same material that is commonly used for watch crystals). This helps show off the opal’s beauty while keeping it …packed together, you will get different colors. Opals can display just about every color of the rainbow, but hues of green and blue are the most common. Typically the higher end opals have a darker body color, and a wide range of colors. …
