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)

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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.

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 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.

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.

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