Friends of Mineralogy
- "Friends of Mineralogy’s objective is to promote, support, protect, and expand the collecting of mineral specimens, while furthering the recognition of the scientific, economic, and aesthetic value of minerals and mineral collecting."
Geology.com
- Geology and Earth Science News and Information
Mindat.org
- Mindat.org is the world's largest open database of minerals, rocks, meteorites and the localities they come from.
RRUFF Project
- "The RRUFF™ Project is creating a complete set of high quality spectral data from well characterized minerals and is developing the technology to share this information with the world. Our collected data provides a standard for mineralogists, geoscientists, gemologists and the general public for the identification of minerals both on earth and for planetary exploration."
Volcano Discovery
- Find up-to-date reports of earthquakes and volcanoes, education and historical references for seismic events and volcanoes.
Worlds Revealed: Geography & Maps
- The largest and most comprehensive cartographic collection in the world, the Geography and Map Division contains over six million maps in addition to a wide array of atlases, globes, raised relief models, archives, a vast collection of digital data and a GIS research center.
