Complex sentence: In the 1910s and 1920s he primarily studied the rich and varied mineral deposits in the Långban area, and described many previously unknown minerals, for example Synchysite-(Ce) and Cordylite.
Split into simpler sentences: In the 1910s and 1920s he primarily studied the rich and varied mineral deposits in the Långban area, and described many previously unknown minerals. For example Synchysite-(Ce) and Cordylite.