Dumortierite with A.E. Foote Label
Yuma County, Arizona, USA
Dark smoky quartz gwindel, 9x5.5 cm
Galenstock, Wallis, Switzerland
Hematite rose, 4x3.5 cm
Monte Prosa, Gotthard Pass, Tessin, Switzerland
Ephesite, 10x8 cm
Postmasburg Manganese Field, South Africa
Grossular crystals on matrix, 4.4x3.3 cm
Jeffrey Mine, Quebec, Canada
Smoky quartz gwindel, closed, 40x43 mm
Vordre Zinggenstock, Grimsel, Berne, Switzerland
Hematite on smoky quartz, 7x10 cm
Furkahorn, Uri, Switzerland
Light smoky quartz point, 11x5 cm
Tiefengletscher, Furka, Uri, Switzerland
Hemimorphite, glassy clear, 70x60 mm
Santa Eulalia, Chihuahua, Mexico