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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.
Paraiba Tourmaline has become one of the most popular gemstones in recent times thanks to its color and is considered to be one of the important gemstones after rubies, emeralds, and sapphires according to Gübelin Gemlab.
Explore the science and lore of gemstones from across the globe with GIA's Gem Encyclopedia. Find detailed information, photos, videos and buyer's guide for each precious stone.
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.
Learn about gemstones from loose gemstones to mineral specimens, explore gemstone education, history, properties and more. Watch videos, shop deals, discover emerald, fire agate, moissanite and other gemstones.
Apresenta o sistema cristalino tetragonal e tem uma dureza Mohs de 7,5. O zircão pode ser incolor ou de qualquer cor, dependendo da presença de impurezas. Uma lista alfabética de pedras preciosas e semipreciosas, completa com fotografias e uma olhada em sua composição química.
Learn about the healing, spiritual, and metaphysical properties of over 100 different gemstones and crystals. Find out how to use them for personal growth, wellness, and transformation.
