American Museum of Natural History
www.amnh.org

Carnegie Museum of Natural History
www.carnegiemnh.org/

Colorado School of Mines
www.mines.edu/Geology_Museum

Houston Museum of Natural History
www.hmns.org/

Natural History Museum
www.nhm.org

Perot Museum of Nature and Science
www.perotmuseum.org

Smithsonian National Museum of Natural History
www.minerals.si.edu/

Sterling Hill Mining Museum
www.sterlinghillminingmuseum.org/

The Mineralogical Record
www.minrec.org/

Mineralogy Database
www.mindat.org