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Find detailed information for any gemstone you are interested in, from actinolite to zircon. Browse the alphabetical list of gem profiles, buying guides, and photos of precious and semi-precious stones.
- Villiaumite Value, Price, and Jewelry Information
Guinea villiaumites might yield gemstones up to two carats....
- Prosopite Value, Price, and Jewelry Information
Learn more about these popular gemstones, their meaning &...
- Boleite Value, Price, and Jewelry Information
Faceted gems of any transparency should be considered among...
- Villiaumite Value, Price, and Jewelry Information
Explore the science and lore of gemstones from across the globe with GIA's Gem Encyclopedia. Find detailed information, photos, videos and buyer's guides for each precious stone.
Gemstones are often treated to enhance the color or clarity of the stone. In some cases, the treatment applied to the gemstone can also increase its durability. Even though natural gemstones can be transformed using the traditional method of cutting and polishing, other treatment options allow the stone's appearance to be enhanced.
Learn about the geology, properties, and uses of various gemstones from around the world. Browse photos, articles, and links for birthstones, diamonds, opals, rubies, sapphires, and more.
12 de abr. de 2023 · Learn about the history, lore, and beauty of 24 different gemstones, from Alexandrite to Zircon. See photos, colors, and meanings of each gemstone and find out which ones are your birthstones.
Learn about gemstones, their properties, history, varieties and more on Gemstones.com. Explore articles, videos, gemopedia, shop loose gemstones and mineral specimens, and discover your own gemstone journey.
Learn about gemstones, their formation, identification, and value from GIA, the leading authority on gems and jewelry. Explore research, news, charts, and features on various gem varieties, such as peridot, emerald, and diamond.
