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Information × Registration Number 0203U006217, 0100U001811 , R & D reports Title Work out the scientific basis of gemology, establish the rules of forming and the evaluation criterions of the gemstone raw material of the south-east part of Ukraine popup.stage_title Head Baranov Petr, Registration Date 04-04-2003 Organization National Mining University popup.description2 The scientific bases of gemmology are developed; its basic subject and tasks and the basic approaches and methods of an estimation of rough gemstones are determined. laws of formation rough gemstones in a southeast part of Ukraine are established. Each complex of mountain breeds answers certain gemstone mineralisation: granitoid – jasper-like gems, epidosites, other; iron ore - jaspilites, collection stones; ultra basic - serpentinites and crust of weathering’ gems; alkaline - sodalites, mariupolites, decorative syenites. The technique of an estimation of rough gemstones is developed, in which the criteria of an estimation of rough gemstones quality are determined.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close