Rocks and Minerals

Collecting Rocks - USGS information on collecting rocks.
http://pubs.usgs.gov/gip/collect1/collectgip.html

YupRocks - high-resolution pictures of rocks and minerals, taken from personal collections, as well as the Calvin College Geology Department, Michigan, USA.
http://www.yuprocks.com

GeMin Exhibition - GeMin exhibition and online copipes of the Oryktologia NEA news.
http://users.hol.gr/~minat/

Perlite - Pictures, links, and a brief description of the properties and applications of this siliceous rock.
http://www.perlite.net/

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.
http://www.users.muohio.edu/rakovajf/

The Rock Gallery - Geological display of images and information including crystals, minerals and gems.
http://www.geocities.com/EnchantedForest/Cottage/3292/

Minerals of the United States - Click on the map to view pictures of minerals found in the chosen state.
http://www.tigerminerals.com/

Eastern (USA) Minerals Resources - Gateway to information on minerals and mineral resources research in the eastern United States.
http://minerals.usgs.gov/east/

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.
http://www.salt.org.il/

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.
http://dph1701.tripod.com/geology/