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 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. Gem Encyclopedia
Amethyst History and Lore - GIA
Amethyst is the birthstone for February and one of the emblems of the twelve apostles. Learn More About Amethyst Explore amethyst history, research, quality factors, and more in the GIA Gem Encyclopedia.
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 Quality Factors - GIA
Amethyst is available in all size ranges for setting into a variety of jewelry styles. It’s popular as a large center stone since the price per carat does not rise dramatically with larger size. Amethyst is also commonly found in calibrated cuts, which means they’re cut precisely to standard industry sizes, in all qualities.
GIA Gem Encyclopedia | Complete List Of Gemstones
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.
Amethyst - Gemological Institute of America
Amethyst is a gem with purple coloring that many people find very beautiful. 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.
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.
February Birthstone | Amethyst Birthstone Source & Meaning - GIA
Amethyst, the February birthstone, is the purple variety of quartz. It is said to prevent drunkenness and make you quick witted in business. You once had to be rich to own this birthstone for February, but new finds have made it more affordable.
Amethyst from Newfoundland, Canada: Geology, Internal Features …
May 8, 2017 · In terms of primary features, the color zoning in amethyst results in faceted gemstones of varying lightness and saturation, with the more sought-after medium-dark intense purple as well as the lighter-colored “rose de France” type of amethyst.