Arizona-Sonora Desert Museum Min15

Part of mineral exhibit at the Arizona-Sonora Desert Museum near Tucson, AZ. February 12, 2014

Arizona-Sonora Desert Museum Min14

Part of mineral exhibit at the Arizona-Sonora Desert Museum near Tucson, AZ. February 12, 2014

Arizona-Sonora Desert Museum Min13

Part of mineral exhibit at the Arizona-Sonora Desert Museum near Tucson, AZ. February 12, 2014

Arizona-Sonora Desert Museum Min12

Part of mineral exhibit at the Arizona-Sonora Desert Museum near Tucson, AZ. February 12, 2014

Arizona-Sonora Desert Museum Min11

Part of mineral exhibit at the Arizona-Sonora Desert Museum near Tucson, AZ. February 12, 2014

Arizona-Sonora Desert Museum Min 10

Part of mineral exhibit at the Arizona-Sonora Desert Museum near Tucson, AZ. February 12, 2014

Arizona-Sonora Desert Museum Min8

Part of mineral exhibit at the Arizona-Sonora Desert Museum near Tucson, AZ. February 12, 2014