Geisspfad pass, Geisspfad area, Binn, Goms, Valais, Switzerland
60 x 80 mm, with a Preiswerkite nodule of almost 6 cm long
© Frank de Wit
Geisspfad area, Binn, Goms, Valais, Switzerland
A 1 cm aggregate with green Preiswerkite in matrix from the type locality at Geisspfad,Binntal, Switzerland. Specimen and photo: Knut Eldjarn.
© Knut Eldjarn
55 x 45 mm, with a Preiswerkite nodule of 23 x 8 mm
dimension area mm. 4 x 4 photo and collection Luigi Chiappino
55 x 45 mm, with two Preiswerkite "eyes" of 5mm each
Pale green to mostly colorless preiswerkite. Rolf Luetcke specimen and photo.
Light green preiswerkite in serpentinite Euromex EduBlue, built-in 5 MP USB-2.0 1/2.8 inch Sensor CMOS Camera ImageFocus Plus capturing, Helicon Focus stacking Peter Lof photo and collection
© Peter Lof