| 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. |
| Matt's World of Minerals: Site dedicated to the visual learning of Minerals and Geology, containing pictures and information on geology, minerals, and fossils. Also has links to shops, encyclopedias, and a mini-geology database. |
| Minerals of the United States: Click on the map to view pictures of minerals found in the chosen state. |
| Neville R. Hill: A consultant for mining and minerals. He has been published on development of non-metallic rock and mineral resources and building materials production especially in developing countries. |
| 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. |
| Salt (MRBloch Archive): A collection of material relating to salt [NaCl] and its influence on civilization. Includes sections on physiology, geology, archeology, palaeoclimatology, palaeogeography, production, religion, economics, and etymiology of salt. |
| The Rock Gallery: Geological display of images and information including crystals, minerals and gems. |
| 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. |
| YupRocks: high-resolution pictures of rocks and minerals, taken from personal collections, as well as the Calvin College Geology Department, Michigan, USA. |
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