The results of the study of the possibility of using igneous rocks of the Republic of Belarus for the synthesis of glasses, petrositalls and stone casting are presented. To optimize technological processes, an integral part of hierarchical modeling was used - the creation of a cluster structure (dendrogram). The dependence of the properties, structure and type of the formed crystalline phases on the chemical and mineral composition of rocks and temperature-time parameters of heat treatment as the main criterion factors providing directional structure and phase formation in the preparation of glass-crystalline materials has been revealed.
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