Geology

Science, Earth Sciences, Geology, Rocks and Minerals - Web Mineral. Extensive mineral database containing crystallography, chemical composition, physical and optical properties, Dana classification, Strunz classification, mineral name origins, mineral locality information, and alphabetical listing of all known valid mineral species.

Science, Earth Sciences, Geology, Rocks and Minerals - The Crystal Mine. Mineral, crystal, and gemstone specimens for the collector.

Amethyst Galleries' Mineral Gallery is a constantly growing database of mineral descriptions, images, and specimens. The descriptions include searchable mineralogical data, plus other information of interest to students and rock hounds!

Science, Earth Sciences, Geology, Rocks and Minerals - Mindat. Searchable mineral database with physical and chemical properties as well as locality information.

Information about color in minerals and the spectroscopy of minerals.

Science, Earth Sciences, Geology, Rocks and Minerals - Petrographic Thin Section Service. Supplier of petrographic polished thin sections.

Science, Earth Sciences, Geology, Rocks and Minerals - The Vug. Extensive portal to mineral, gem, fossil and related web sites.

Science, Earth Sciences, Geology, Rocks and Minerals - DJ Minerals. Rock and mineral kits, fossil kits, rock hammers and other geological supplies, as well as pure talc for carving and statuary.

Der DMF International, der Verband des Deutschen Mineralien- und Fossilien- Fachhandels DMF e.V. mit Sitz in Bonn OCo begr+-+ct alle Mineralien- und Fossiliensammler, alle Liebhaber edler Steine ganz herzlich

Planetary science research page

Science, Earth Sciences, Geology, Rocks and Minerals - Meteorite information and links. Links to the science of meteoritics, resources,information, news and dealer lists.

A study of geochemistry through the use of standardised graphs.