GeologyRocks

GeoSupplies is a Yorkshire-based company selling a variety of geological equipment and supplies. They have very friendly and knowledgeable staff!

The Gemology Project is a Wikipedia-style database devoted to  the identification of gemstones. It contains articles on the fundamentals of gem and mineral identification as well as details of numerous techniques and pieces of equipment used in identification, and articles on the properties and uses of numerous gems and minerals.

Blog of the "Lost Geologist" a master student in geology and mineral deposits who most commonly writes about his personal adventures in geology and related interests.

A Geoscience portal with images, forums, articles, news etc.

If you are interested in seeing what a geology textbook looked like in the 1870s, geology.com have just put Sir Charles Lyell's Elements of Geology online, complete with images.

Search for earth science related images by subject and/or region

Science With Me! is a free educational science website for elementary age children. Our website offers animations, movies, games, coloring pages, worksheets, fun science projects for kids and stories to help young children learn scientific principles and science the fun way. There are some fun geological activites included on the site.

This web site back in 2005 as a photo archive of the underground photographs of myself and a number of friends. It quickly expanded and over time a database of mines was added. It has recently been expanded to allow user-submitted content on mining and caving.

The Geological Society of Africa website, with free email newsletter.