Magnetite, Adular – Kollergraben, Binntal, Valais, Switzerland
 
At this level, sharp-edged, highly lustrous, black magnetites measuring up to 8 mm stand out in contrast to the equally shiny and snow-white Adular.  
A wonderful paragenesis from the Kollergraben on Graubünden slate. 
Aesthetic alpine collection with considerably large magnetites from the Binntal in Valais.