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Amethyst Gemstone | Amethyst Stone - GIA Amethyst Gemstone is the purple variety of the Quartz mineral Amethyst’s purple color can range from a light lilac to a deep, intense royal purple, and from brownish to vivid
Amethyst Description - GIA Amethyst is the purple variety of the quartz mineral species It’s the gem that’s most commonly associated with the color purple, even though there are other purple gems such as sapphire and tanzanite
Amethyst - Gemological Institute of America It is the purple variety of the mineral quartz It was as valuable as ruby and emerald until the 1800s when more amethyst was found in the country of Brazil It is the most valuable quartz gem Today, many kinds of jewelry are made from amethyst Quartz can come in many other colors
Amethyst History and Lore - GIA Because of its wine-like color, early Greek legends associated amethyst with Dionysus, the god of wine and pleasure The Romans called him Bacchus Other legends reflected beliefs that amethyst kept its wearer clear-headed and quick-witted in battle and in business affairs
Amethyst Quality Factors - GIA Today, because of its availability and affordability, amethyst is used in mass-market jewelry as well as custom designer pieces This makes amethyst one of the world’s most popular colored gems and the most commercially important gem-quality quartz variety
GIA Gem Encyclopedia | Complete List Of Gemstones GIA’s Guide to Gemstones: Gem Encyclopedia GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos research
February Birthstone | Amethyst Birthstone Source Meaning | GIA Where is Amethyst Found? Russia was the major source of amethyst until the 19th century, when large deposits were found in Brazil Once as rare as ruby or emerald, amethyst was suddenly in abundance Today, the most important sources of amethyst are in Africa and South America
Amethyst Care and Cleaning Guide - GIA Common substances like sand and dust are composed mostly of quartz, the mineral species that includes the purple variety amethyst So, while amethyst is a great gemstone for use in jewelry, it should be treated with the proper care to prevent scratching and other damage
Fall 2024 Gems Gemology Amethyst from Newfoundland, Canada . . . - GIA Amethyst, the purple variety of quartz colored by interstitial Fe3+ (Cohen, 1985), forms in a number of geological settings, but always at relatively low temperature (≤400°C) and shallow crustal depth (Cohen, 1985; McArthur et al , 1993; Yang et al , 2001; Kievlenko, 2003; Gilg et al , 2014)
Ametrine Gemstone | Natural Ametrine Stone - GIA When quartz displays the colors of amethyst and citrine in a single gem, the material is called ametrine or amethyst-citrine Ametrine’s only commercial source is the Anahi mine in Bolivia