Modified minerals from the History Section of the Institute of the Earth Crust, RAS, Siberian Branch

Abstract

Modified minerals, exhibited in the History Department at the Institute of the Earth Crust, RAS, Siberian Branch, are discussed. Methods and techniques for ennobling of nephrite, agate, chalcedony, yellow-green beryl and charoitites of various structural and morphological types, developed and tested at the Laboratory of petrology, Geochemistry and Ore Formation of the above institute, are described.