WA Department of Natural Resources
- DNR manages more than 5 million acres of state-owned lands including forests, agricultural lands and submerged aquatic lands.
- http://www.dnr.wa.gov/
Minerals UK
- Information on mineral exploration, mining, production and trade from the British Geological Survey Minerals Group.
- http://www.bgs.ac.uk/mineralsuk/home.html
Washington State Mineral Council
- organization dedicated to the location and conservation of rock and mineral sites of interest to the rockhounds of Washington state.
- http://www.mineralcouncil.org
Gem, Lapidary & Mineral Society of Montgomery County, MD
- A non-profit educational organization. Aims to increase knowledge and popular interest in earth sciences, geology, mineralogy, paleontology (Fossils), lapidary arts, and related subjects.
- http://rockhounder.tripod.com
Washington Agate and Mineral Society (WAMS)
- Club established in 1937. Members share common interest in rocks, minerals and activities such as collecting and jewelry making.
- http://home.comcast.net/~wams1939
Willamette Agate & Mineral Society, Inc. (WAMS)
- Non-profit organization to stimulate interest in the study and collection of agates, minerals, gems and fossils, and support lapidary work, education, scientific study of natural earth sciences.
- http://www.wamsi.org
Northwest Opal Association
- Society of people interested in opals, based in Tukwila, Washington.
- http://members.tripod.com/northwestopalassn/
Mineralogical Society
- Society for the advancement of mineralogy and its application to crystallography, geochemistry, petrology, environmental science and economic geology through support of meetings and publication of books, journals and monographs.
- http://www.minersoc.org/
Southeast Federation of Mineralogical Societies Inc.
- Established in 1976 to bring about a closer association of Clubs and Societies devoted to the study of Earth Sciences and the practice of Lapidary Arts and Crafts in the Southeast part of the United States.
- http://www.amfed.org/sfms/index.html
Georgia Mineral Society, Inc.
- Georgia's Oldest Gem and Mineral Society - Founded in 1935. A volunteer organization dedicated to educating the youth of the state and the members of this Society in the field of Earth Sciences.
- http://www.gamineral.org/
Southern Appalachian Mineral Society
- Asheville, North Carolina's mineral collecting club with monthly meetings, and field trips.
- http://main.nc.us/sams/
Sydney Mineral Exploration Discussion Group
- Notices of meetings & events of interest to geoscientists and those involved in mineral exploration. Links to related Australian and international sites
- http://www.smedg.org.au/
International Gem Society
- Dedicated to bringing quality information and educational services to everyone interested in gemstones.
- http://www.gemsociety.org/
Columbia-Willamette Faceters Guild
- A nonprofit organization dedicated to the advancement of the art of faceting gemstones. Beginning and advanced Gem Faceting classes offered.
- http://www.facetersguild.com/
Mineralogical Society of Arizona
- Society aimed at promoting popular interest in the various Earth Sciences, and particularly the fields of geology, lapidary, mineralogy paleontology.
- http://azminerals.com/
Academy of Mineralogy
- Hopes to gather enthusiasts of minerals, fossils and gemstones.
- http://acam.be/
Fluorescent Mineral Society
- "A nonprofit international organization of professional mineralogists, gemologists, amateur collectors, and others who study or collect fluorescent minerals."
- http://www.uvminerals.org/