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Mineralogy Database
This mineral database contains 4,442 individual mineral descriptions with links and an in-depth image library.

Athena Mineralogy           
A comprehensive list of minerals with photographs and strong search database from the University of Geneva, Switzerland.

Mineral Collectors Page           
A treasure trove of information and links on everything from mineral identification to rock collecting to general earth sciences information.

The Mineral and Gemstone Kingdom
Extensive information on minerals and gems.

The Rock Identification Key
Along with a key to identifying rocks, this site offers geological history background.

GeoMan’s Rock Identification Chart
A straightforward chart offers a guide to evaluating and identifying rocks.

Metamorphic Rock Identification
A great step-by-step identification procedure from the University of California, Pomona for metamorphic rocks.

Igneous Rock Identification
A great step-by-step identification procedure for igneous rocks from the University of California, Pomona.

American Field Guide
A collection of stories about rocks and minerals amassed from PBS’s vast resources.