- The Grolier Online Encyclopedia will answer your questions about rocks or minerals. It does require that you search by topic. Topics like rocks will then be subdivided into kinds of rocks etc.
This is an online resource for students managed by librarians. Again a subject search will take you to the appropriate information.
- Rocks and Minerals
Information on this site is primarily from the University of Kentucky. Links are provided to other pages as well.
- Mineral Database
This site includes a photo gallery and information on specific minerals.
- Canadian Rockhound Geological Magazine
Links to minerals and rocks are provided ar two levels. For school studies choose the second link.