Access to FMF Forum

A general guide for using the FMF Gallery

FMF Minerals Gallery

To access to this FMF post with the image

Massive tetraedrite with chalkopyrite. Rich ore sample (12 x 10 cm) from Hohe Birke mine, Freiberg, Erzgebirge. (Author: Andreas Gerstenberg)

Massive tetraedrite with chalkopyrite. Rich ore sample (12 x 10 cm) from Hohe Birke mine, Freiberg, Erzgebirge. (Author: Andreas Gerstenberg)

Dimensions: 600 x 452
File size: 68.33 kbytes
Taken on:  
Camera model:  
Shutter speed:  
Focal length:  
Aperture:  
Flash:  
ISO: