Tucson Gem & Mineral Society Encouraging interest and study in geology, mineralogy, lapidary, and allied earth sciences. Based in Tucson, Arizona since 1946. Become a member today!
Mineralogical Society of America - Mineralogy, Petrology and Crystallography Society for the advancement of mineralogy, crystallography, geochemistry, and petrology, and promotion of their uses in other sciences, industry, and the arts.