DMF International
   Unites dealers of minerals, fossils and precious stones as well as publishers and dealers of geological accessories, and organizers of mineral fairs. Deutch, English.
   http://www.dmf-international.de/

Links for Mineralogists
   Annotated links to internet resources, especially for mineralogists, petrologists, crystallographers, and geologists.
   http://www.mineralogie.uni-wuerzburg.de/links.html

Mineral Collectors Links Page
   Internet mineralogy portal containing links to sites related to minerals.
   http://www.minerant.org/

Mineralogy and Petrology Research on the Web
   Links to web pages (e.g., journals, organizations, and research groups) especially useful for researchers in mineralogy and petrology.
   http://homepages.udayton.edu/~koziol/resminpet.html

The Vug
   Extensive portal to mineral, gem, fossil and related web sites.
   http://www.the-vug.com