Christophite - a dark ferroan sphalerite from the St. Christoph mine, Breitenbrunn, Erzgebirge, Saxony. Two massive ore samples (3,5 cm each) with old Bergakademie Freiberg label. (Author: Andreas Gerstenberg)
Dimensiones: | 600 x 450 |
Tamaño fichero: | 32.86 kbytes |
Captura: | |
Modelo cámara: | |
Velocidad obturador: | |
Focal length: | |
Apertura: | |
Flash: | |
ISO: |