№2(38) 2022

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THE EXPERT ASSESSMENT OF SEMI-PRECIOUS STONES (ON THE EXAMPLE OF THE PEGMATITES OF THE DEPOSITS OF THE YELISEYEVSKY ORE FIELD)
(2022) Slyvna, O.; Korotaiev, V.; Baranov, P.
The purpose of the article is to characterize the problematic issues of regulatory and legal support for the circulation of semi-precious stones with regard to improving the assessment of their quality and value, to propose directions for their solution using the example of written pegmatites of the Eliseiv field. Methodology. The methodological basis of the research is general scientific and special methods of scientific knowledge. The method of system-structural analysis made it possible to investigate the norms of domestic legislation regulating the extraction, production and use of precious and semi-precious stones, control over operations with them and the rules of their attestation, to express a number of critical remarks about the lack of regulations, technical instructions and price lists regarding pegmatite as a semi-precious stone stones of the second order. The use of statistical, mathematical, physical and other special research methods made it possible to investigate written pegmatite within the framework of forensic gemological examination in view of its physical, technological and aesthetic properties, as well as to distinguish groups based on established quality criteria.