Complex spectral studies of turquoise and its basic imitations
V.Surova State Gemmological Centre of Ukraine |
О. Geleta State Gemmological Centre of Ukraine |
О.Rybnikova Taras Shevchenko National University of Kyiv |
Language: Ukrainian |
Precious and Decorative Stones. No. 2 (88), 2017: 4-9 |
Abstract There was a research of 240 samples of natural turquoise and its various imitations, which are commonly found on the Ukrainian market in order to improve the diagnostic techniques and to create a database based on such a research: the density, the index of refraction, microscopic studies, XRF, IR spectroscopy, X-ray spectral electron-probe microanalysis, research in thin sections. |
References |
1. Сурова В. Бірюза та її імітації // Коштовне та декоративне каміння. – № 4 (54). – 2008. – С. 7–11.
2. Pavese A. Useof IR-spectroscopyanddiffractiontodiscriminatebetweennatural, syntheticandtreatedturquoise, anditsimitations, AustralianGemologist (2005) 22. – Р. 366-371. 3. Mindat.org. URL: http://www.mindat.org. |