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.
Mineral Processing and Geological Testing Laboratories | Nesch Mintec. Specialists in Mineral processing, on-site analytical & consultancy services, process mineralogy & geomet testing. Metallurgy Experts in (soil, rocks, carbon, solution) materials - Nesch Mintec Making mineral processing a reality
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!
Amethyst Galleries'' Mineral Gallery. Amethyst Galleries'' Mineral Gallery describes more than 600 minerals, with thousands of images and specimens. The descriptions include searchable mineralogical data, plus other information of interest to students and rock hounds!