Geology & Earth Sciences

Contains annual data that is searchable by metal, mineral or area (state or country, and sometimes by continent).

Includes crystal data, physical properties, optical properties, cell data and more in a 1 page summary.

From the Mineralogical Society of America

Includes mineral production data (2001-2016) as well as many resources on gold/goldmines/ etc. fuel is excluded

Old, but so are the rocks.Written by Donald Peck

Information on more than 4000 minerals, many with images. Last updated 12/2009.

A mineral database that is searchable by name, property, chemistry associations and references to articles.

An interface to a crystal structure database that includes every structure published in the American Mineralogist, The Canadian Mineralogist, European Journal of Mineralogy and Physics and Chemistry of Minerals.