Museums

Smithsonian Department of Mineral Sciences - dedicated to the study of minerals, gems, rocks, volcanoes, and meteorites: their origin and evolution
James Madison University Mineral Museum - a collection of mineral specimens from around the world, including an extensive micro-mount collection. Site features numerous high-quality photos.
Oxford, England University Museum of Natural History - the University's scientific collections of zoological, entomological, palaeontological and mineral specimens
Houston Museum of Natural Science - mineral exhibits and lots more
Natural History Museum - LA county Nice site about nature and resources
Mineralienkabinett (deutsch)/Mineral Gallery (english) Pictures of common minerals according to the classification of STRUNZ. Universitat Bremen.
The Clausthal Mineral Collection Technische Universitat Clausthal
Mineralogische Staatssammlung Munchen Museum Reich der Kristalle Mineralien, Kristalle, Edelsteine, Meteoriten, Dauerausstellung und Sonderausstellungen
Diamond Museum situated in the heart of the Antwerp diamond quarter (Belgium)
Museo Mineralogia e Litologia di Firenze Mineralogical Museum of the University of Florence
Teylers Museum Haarlem, The Netherlands mineralogical collection from the 18th century in the oval room
American Museum of Natural History The Department of Earth and Planetary Sciences at the American Museum of Natural History curates the museum's world renowned collections of minerals and gems, meteorites, ores, rocks, and xenoliths. Staff members conduct research that explores the nature of terrestrial and planetary processes.
Peabody Museum of Natural History Yale University.
Museum of Victoria, Melbourne Mineralogy and Petrology Section