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.