Gem Encyclopedia
Gem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & research.
Geology and Earth Science News, Articles, Photos, Maps and More
Geology.com is one of the world’s leading portals to geology and Earth science news and information for rocks, minerals, gemstones, energy, volcanoes, earthquakes, careers, geologic hazards, and more.
Gem Identification with Magnetism Home Page
A magnetic wand is one of the most useful, and least known, tools for basic gem identification. Magnetic response is an effective way to identify Garnets, separate natural gems from synthetics, and separate gems that look alike.
Mindat.org
Mineralogy Database
Complete, up-to-date, mineral database containing 4,714 mineral species descriptions and comprehensive picture library of images. These data are linked to mineral tables by crystallography, chemical composition, physical and optical properties, Dana classification, Strunz classification, mineral name origins, mineral locality information, and alphabetical listing of all known valid mineral species.
10 Steps to Help You Identify Any Mineral
Learning the basics of mineral identification is easy. All you need are a few simple tools and your own powers of careful observation.
The Mineral and Gemstone Kingdom: Home
An interactive reference guide to rocks, minerals, and gemstones.
Rock and Mineral Identification Flash Cards
Rock and mineral identification flash cards for learning/practicing for the science olympiad. A good learning/reference tool.
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