Bobs Rock Shop
- http://www.rockhounds.com/
- Ezine for mineral collectors, rockhounds and lapidary hobbyists. Includes forum board, bulletin board, details about Tucson events, and list of US clubs.
Dirty Rockhounds
- http://dirtyrockhounds.com/
- Features a discussion forum, and lists gemstones and collecting sites by State. Also has instructions for the beginning collector and gold panner.
Marco's Italian Minerals
- http://www.macminerals.com/
- Private collection, trade lists, research; and exchange experiences with other rockhounds. Only site that trades exclusively in Italian, or alpine minerals.
MinMax
- http://www.minmax.net/en/
- Searchable, interactive database of minerals, localities and other rockhounding information.
Pyramidia
- http://www.glendonite.com
- Online information repository for the mineral form known variously as Glendonite, Thinolite, Gennouishi (Hammerstone), Jarrowite, and Pyramidite. Features a blog, gallery, and resource page.
Rock Picture of the Week
- http://www.rockpow.com
- Shows a new rock, mineral, or fossil related picture each week. Contains a picture archive, rock hunting areas, a mineral field test, and links.
RockHound Blog
- http://www.rockhoundblog.com
- A blog designed to help rockhound enthusiasts connect, swap information, and chat. Features many categories and archives.
Rockhounding Arkansas
- http://rockhoundingar.com/
- An authoritative and comprehensive guide to Arkansas geology, mineral, and rock collecting sites. Written by the well known geologist Mike Howard.
The Rock Picks Project
- http://www.rockpicks.net
- Offers maps of rock collecting locations around the United States and Canada. Has viewer input capabilities, photos, videos, forums, and links.