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Fine Jewelry University Articles matching: “Ball stud earrings”
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Fine Jewelry University
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Gem in the Spotlight: Tanzanite
…and won’t be harmed under normal conditions the low hardness and poor to fair toughness (and a property called cleavage, which is a tendency to break when struck) means that care should be taken to avoid sharp impacts. Setting it in earrings or a pendant will help protect it if the intended use is daily wear. Rings and bracelets set with tanzanite should only be worn carefully on occasion. We recommend cleaning with warm soapy water and a soft bristle brush. You should …
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Gem in the Spotlight: Tourmaline
… 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 a great gem in a ring for occasional wear or a pendant/earrings for 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 …
