Gustav Melczer
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* Dobsina, 31 August 1869 – † Budapest, 3 October 1907 / crystallographer ; ; He obtained a teaching certificate from the University of Budapest in 1893, and then a doctorate in mineralogy and geology in 1897. From 1902 he became a private teacher of crystallography at the University. He published several important studies on pyrite, albite, libethenite, aragonite and other minerals in Földtani Közlemények.