Orange brown grains of the very rare Cu-Fe-Sn sulphide mineral mawsonite from the type locality in Tasmania (Mount Lyell, Queenstown) in a matrix of massive chalcopyrite and minor sulphides. Analysed by and from the Vandenbroucke Museum collection in Waregem, Belgium. FOV is 4mm.
![](https://jmelville.mineralcollective.com/wp-content/uploads/2022/05/2022-05-14-21-27-50-BRadius8Smoothing4-1024x683.jpg)