Rocks, Gems, and Minerals > Gemstones  Directory > Recreation > Hobbies > Rocks, Gems, and Minerals > Gemstones

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CATEGORIES Top Categories Retailers@ Additional Categories Amber@ Amethysts (4) Aquamarines (2) Benitoites (3) Diamonds (26) Emeralds (2) Garnets (4) Iolite (2) Opals (5) Pearls (4) Peridots (5) Rubies (1) Sapphires (2) Tanzanite (3) Topazes (2) Tourmalines (4) Turquoises (6) Zircons (2) SITE LISTINGS Alphabetical  |  By Popularity    (What's This?) Gem of a Story, A - Explore the Hall of Geology, Gems, and Minerals at the National Museum of Natural History, and browse through an extensive gem and mineral image database. GemSite - Coloured gemstone information resource created by the International Coloured Gemstone Association. Gemstones: An Overview of Production of Specific U.S. Gemstones - U.S. Bureau of Mines Special Publication. Gemstones: The Flowers of the Mineral Kingdom - Lists of some of the gem kingdom's more prized and recognized members by their chemical makeup. Mineral and Gemstone Kingdom - Information and images of minerals, including a special gemstone section. Natural Gemstones - Terminology, chemical formulas, collectors' information, and more from the USGS.

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