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Fine Jewelry University Articles matching: “Gem stones”
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Fine Jewelry University
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Gem in the Spotlight: Tourmaline
… F. Kunz. He documented reports about the tourmaline deposits of Maine and California and praised the quality of the stones they produced. Along with opal, tourmaline is October’s birthstone. Care and Cleaning of Tourmaline Tourmaline makes… daily wear. Because it isn’t exceptionally hard (Mohs hardness of 7-7.5), it should be stored away from other gemstones that could potentially damage it. Tourmaline should not be put into an ultrasonic cleaner or steam cleaned, and should …
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Platinum
… an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum’s purity makes it … wear. Its density and weight make it a durable jewelry metal. Platinum does not wear away and holds precious stones firmly and securely. Like all precious metals, platinum scratches. However, the scratch on a platinum piece is merely a …
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Gem in the Spotlight: Jade
Jade has one of the richest heritages of all gemstones. People have been using jade from as early as 6,000 BC, and it has been an incredibly important part of Asian, … far are dyed quartz, glass, and plastic. These imitations can be identified quickly by a trained gemologist. Other stones that have been confused with jade over the years are chrysoprase, serpentine, maw sit sit, and hydrogrossular garnet… given it such a prominent place in human history? The term “jade” actually refers to two completely different gems: nephrite and jadeite. These are actually two unique mineral species, but since they have been confused for so many years…
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The History of Diamond Cuts
…recorded statements about diamonds is: “the substance that possesses the greatest value, not only among the precious stones, but of all human possessions.” said by Pliny, the Roman historian. The story of the diamond cut is the story of … pyramids stuck together at the base. Naturally, the first attempts to enhance diamonds were to polish the natural gem. The “point cut” is the polishing of a natural octahedral diamond. Interesting fact #1 about diamond cuts: cutting a …
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Gem in the Spotlight: Quartz
… at the title and knew). Quartz is one of the most common minerals on 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 …create a dim light which is often called cold fire, as it creates enough light to see, but no heat. Famous Quartz Gemstones Quartz is one of the most abundant minerals in the earth’s crust, but there are still many noteworthy examples that …
