Gem Encyclopedia
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.
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
To go to the next page, click on this link: Overview of Magnetism in Gemstones The intent of this website is to introduce the magnetic wand to collectors, jewelers, dealers, professional gemologists and researchers, and to demonstrate the extraordinary effectiveness of magnetic testing.
Mindat.org
Mindat is now the world’s largest public database of mineral information with an army of worldwide volunteers adding and verifying new information daily.
Mineralogy Database
This hasn’t been updated since 2014, but is still an excellent resource on minerals.
10 Steps to Help You Identify Any Mineral
Almost all rocks are made of minerals. The exceptions are obsidian (which is made of volcanic glass) and coal (which is made of organic carbon.) Learning the basics of mineral identification is easy. All you need are a few simple tools (like a magnet and a magnifying glass) and your own powers of careful observation.
The Mineral and Gemstone Kingdom: Home
The Mineral and Gemstone Kingdom is a free informational and educational guide to rocks, minerals, gemstones, and jewelry. This site has been providing detailed information and photos of hundreds of mineral and gemstone since 1997 and is one of the leading education resources on 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.
