Earth Sciences

Middle Tennessee Rockhounds
Science, Earth Sciences, Geology, Rocks and Minerals - Middle Tennessee Rockhounds. Group of individuals who share common interests in collecting and working with gems, minerals, jewelry, geology, and fossils.
https://www.rockhound.org/
Dallas Gem and Mineral Society
Science, Earth Sciences, Geology, Rocks and Minerals - Dallas Gem and Mineral Society. A non-profit organization dedicated to continuing education in all of the earth sciences, with activities in rockhounding,lapidary arts and jewelry making.
https://dallasgemandmineral.org/
Montreal Gem and Mineral Club
Science, Earth Sciences, Geology, Rocks and Minerals - Montreal Gem and Mineral Club. Non-profit organization with workshops, field trips, shows and related links.
https://montrealgemmineralclub.ca/
Houston Gem and Mineral Society
Science, Earth Sciences, Geology, Rocks and Minerals - Houston Gem and Mineral Society. Organization of rockhounds, fossil collectors, and those interested in the lapidary arts.
https://www.hgms.org/
Tuscarora Lapidary Society's Gemarama
Science, Earth Sciences, Geology, Rocks and Minerals - Tuscarora Lapidary Society's Gemarama. Tuscarora Lapidary Society, a club outside of Philadelphia, PA offers classes in the lapidary skills.
https://www.lapidary.org/
French Association of Micromineralogy
Science, Earth Sciences, Geology, Rocks and Minerals - French Association of Micromineralogy. Information, images and references related to micro minerals and French mineral localities and a directory of worldwide collectors.
http://www.micromineral.org/
WA Department of Natural Resources
Science, Earth Sciences, Geology, Rocks and Minerals - WA Department of Natural Resources. DNR manages more than 5 million acres of state-owned lands including forests, agricultural lands and submerged aquatic lands.
https://www.dnr.wa.gov/
Washington State Mineral Council
Science, Earth Sciences, Geology, Rocks and Minerals - Washington State Mineral Council. organization dedicated to the location and conservation of rock and mineral sites of interest to the rockhounds of Washington state.
https://www.mineralcouncil.org/
The Mineralogical Society
The Mineralogical Society of Great Britain and Ireland is dedicated to supporting the mineral sciences in the 21st century, with the general objective of advancing the knowledge of the science of mineralogy and its application to other subjects including crystallography, geochemistry, petrology, environmental science and economic geology. It does so through the organisation and support of meetings and publication of books, monographs and journals including Mineralogical Magazine, Clay Minerals and MINABS Online.
https://www.minersoc.org/