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Citrine
Citrine is the transparent, pale yellow to brownish orange variety of quartz.
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Article
Fall for Autumn Gems
Nature gives us a brilliant palette of color-changing leaves and a spectacular kaleidoscope of colorful sunsets during the fall season.
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Gem Virtuosos: The Drehers and Their Extraordinary Carvings
A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.
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Multi-Color-Zoned Quartz from Brazil
A Brazilian quartz with unusual color zoning caused by variable iron content is examined.
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Article
Designer’s Inventive, ‘Outrageous’ Jewelry Wins Industry Awards
Emerging artist Trishala Ashok – who has won multiple design awards – looks beyond the mundane and minutiae of daily life to create her jewelry.
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The Natural Formation and Occurrence of Green Quartz
How amethyst under certain conditions may turn green rather than the expected citrine-yellow.
Read MoreArtificially Induced Color in Amethyst-Citrine Quartz
A new and rather unusual gem material and possible treatments are discussed.
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Article
Citrine Care and Cleaning
Learn about citrine's durability and how to care for your citrine jewelry.
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Article
GIA Gem Project
Various Gems (Olivine - Rutile)
Various Gems (Olivine - Rutile)
Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
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