Precious and Decorative



Stones


scientific practical journal
State Gemmological Centre of Ukraine
Ministry of Finance of Ukraine
ISSN: 2079-1410
DOI: 10.53036
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2018: No. 3 (93)  CONTENTS



Complex gemological study of pink quartz with three types of inclusions

Yu. Gayevsky
State Gemmological Centre of Ukraine
О.Belichenko
State Gemmological Centre of Ukraine
 
Language: Ukrainian
Precious and Decorative Stones. No. 3 (93), 2018: 4–6
Abstract
The article presents the results of complex gemological research of faceted pink quartz insert, which is characterized by a significant number of inclusions. The main gemological characteristics were examined, microscopic examination of internal inclusions, the study by qualitative X-ray fluorescence analysis (EXDRF) as well as IR-Fourier spectroscopy were conducted. The set of the obtained results indicates that the studied sample contains three types of inclusions - protogenetic, syngenetic and epigenetic.
Keywords: quartz, mineral inclusions, complex gemological studies, protogenetic inclusions, syngenetic inclusions, epigenetic inclusions.
References
1. Diagnostics methods of precious stones and their substitutes with X-ray fluorescence analysis method use: approved by the order of SGCU from January 25, 2013, No. 6/13-1.
2. Method of precious stones diagnostics with IR-Fourier spectroscopy use: approved by the order of SGCU from December 21, 2012 № 149/12-1.
3. Platonov A.N., Taran M.N., Balytsky V.S. Origin of gems colouration. Мoscow: Nedra, 1984. 196 p.
4. Shtenberg M.V. Water and hydrogen-containing groups in the vein quartz of the Ural deposits of quartz raw materials. Lithosphere. 2014. № 3. Р. 102–111.
5. Gubelin E.J., Koivula J.I. Photoatlas of inclusions in Gemstones. Zurich: ABC Edition, 1992. 532 р.
 
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