See also:

• Arts: Crafts: Jewelry: Gemstones  (2)
• Business: Construction and Maintenance: Materials and Supplies: Masonry and Stone: Natural Stone  (426)
• Shopping: Recreation: Science and Nature  (332)

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

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

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

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

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

Rakovan, John  www.users.muohio.edu/rakovajf 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 Gallery  www.geocities.com/EnchantedForest/Cottage/3292 Geological display of images and information including crystals, minerals and gems.

The Rock, Mineral, and Fossil Reference  dph1701.tripod.com/geology 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.

Salt (MRBloch Archive)  www.salt.org.il 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.

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