Domeykit Var. Stibio-Domeykit – “Mohawk Mine”, Calumet, Keweenaw Co., Michigan, USA
 Historic and extremely rare, richly decorated collection piece of iridescent Stibio-Domeykite, a variety of Domeykite.
 This rare collection piece comes from the former inventory of the famous Austrian mineral dealer and collector Anton Berger.
 https://mineralogicalrecord.com/biographies_labels/bergeranton/