https://www.gemsociety.org/
International Gem Society IGS - Information and educational services for everyone interested in...
Oct 19, 2022 - Information and educational services for everyone interested in gemstones. For gemologists, hobbyists, jewelers, lapidaries and everyone in between.
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https://www.gemsociety.org/article/mined-in-america/
Top Spots for Gem Hunting in the US - International Gem Society
Plan your gem hunting trip with our expert guide to top spots. A gemology-themed vacation can be fun, educational, and (maybe) profitable.
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