- Collecting Rocks - USGS information on collecting rocks.
- Eastern (USA) Minerals Resources - Gateway to information on minerals and mineral resources research in the eastern United States.
- GeMin Exhibition - GeMin exhibition and online copipes of the Oryktologia NEA news.
- Gemology & Gem Identification - Provides information on becoming a gemologist. Offers testing equipment, books, tutorials and courses.
- Minerals of the United States - Click on the map to view pictures of minerals found in the chosen state.
- Perlite - Pictures, links, and a brief description of the properties and applications of this siliceous rock.
- Rakovan, John - Professor in the Department of Geology at Miami University, Oxford, OH. Includes information on Dr. Rakovan's research and teaching in mineralogy and geochemistry.
- The Rock, Mineral, and Fossil Reference - Contains over 100 pictures of minerals, rocks and fossils, as well as information about classification, identification, the Science Olympiad Rocks and Minerals event and related topics.
- United States Polar Rock Repository - National facility at the Byrd Polar Research Center housing rock samples from Antarctica and the Arctic available for research, education or museum use.
- YupRocks - high-resolution pictures of rocks and minerals, taken from personal collections, as well as the Calvin College Geology Department, Michigan, USA.
Last update: Apr 28, 2012 18:35:08. Phy.org is a private web site, powered by the Open Directory Project.
