CHEMICAL COMPOSITION OF REMAINS OF METAL RAW MATERIALS ON THE WALLS OF LYCEUM FORMS AND CRUCCILES AS A SOURCE ON THE HISTORY OF JEWELERY PRODUCTION IN THE TERRITORY OF NORTH AND CENTRAL BELARUS IN THE X–XVIII CENTURIES

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The article presents the results of a study of the chemical composition of the remains of metal raw materials preserved on the surface of casting devices of the 10th–18th centuries, found on the territory of Northern and Central Belarus. The author has established that the main alloys of non-ferrous metals fixed on the walls of pots and crucibles are multicomponent and lead brass, which allows them to be considered as a distinctive feature of local non-ferrous metalworking. It is noted that lead brasses are most typical for industrial complexes of the 10th–13th centuries, and com-plex copper-zinc alloys are found in crucibles from a workshop of the 17th–18th centuries. The author also determined that some of the clay and stone foundry molds were used for casting metal raw materials. It was established that mainly copper-zinc and multicomponent alloys were melted in the molds.