This website produced by the University of California -- Santa Barbara provides users with an abundance of information on the minerals in the internationally respected Bancroft Mineral Collection. For each specimen, students can find information divided into three parts. The main page supplies users with a summary of the chemical and physical properties and an image of an amazing array of minerals. The Properties section displays the physical, chemical, and geographical information of the specific mineral. The last section, Locality, provides users with additional information about the geographical origin of the mineral along with an interactive map and an image of the mineral's origin.