The ongoing pandemic and related lockdowns and difficulties of international cooperation made very complicated conditions for the start of the Ukrainian-Swedish research center SUMEYA. Despite this, we got the first valuable results of our work. Thanks to the staff and up-to-date microscopic equipment of the SUMEYA Center, the paper “Morphological and Crystal-Chemical Features of Macro-

The successful collaboration between SumDU and Umeå University (Sweden) is not only continuing, but also gaining momentum. Despite the COVID-19 pandemic, which continues to create an unfavorable background for international cooperation, the head of the Ukrainian-Swedish Research Center SUMEYA Dr. Roman Moskalenko in August 2021 participated in joint research directly on the laboratory of the