State Gemmological Centre of Ukraine (SGCU)

Scientific practical journal «Precious and Decorative Stones». 2021/N 1 (103)

ISSN 2079-1410

Yu. Gayevsky, О. Belichenko. Complex gemological studies of rare yellow-green garnet with color change effect and asterism

DOI: https://doi.org/10.53036/2020-1(103)-1

UDC 549.091+549.621.9

COMPLEX GEMOLOGICAL STUDIES OF RARE YELLOW-GREEN GARNET WITH COLOR CHANGE EFFECT AND ASTERISM

Yu. Gayevsky, Chief Specialist, State Gemmological Centre of Ukraine, 38–44 Deghtyarivska Str., Kyiv, 04119, Ukraine. E-mail: gud@gems.org.ua

О. Belichenko, Ph.D. (Geol.), Head of the Department, State Gemmological Centre of Ukraine, 38–44 Deghtyarivska Str., Kyiv, 04119, Ukraine, E-mail: lbgems@gmail.com

Language: Ukrainian

Precious and Decorative Stones, № 1 (103), 2020: 4-6

Abstract. Complex gemological, chemical, physical and microscopic studies of rare precious stone – garnet grossular-pyrope-spessartine with the effect of color change and asterism.

Keywords: gemological properties, chemical composition, garnet, effect of color change, asterism.

(Recommended by О. Belevtsev, Ph.D. (Geol.))

References:

1. Sun Z., Muyal J., Palke A. Pyrope-spessartine color-change garnet with a high grossular component. Gems &Gemology. 2017. Vol. 53. No. 1. P. 137–138.
2. Krzemnicki M., Hanni H., Reusser E. Colour-change garnets from Madagascar: comparison of colorimetric with chemical data. Journal of Gemmology. 2001. Vol. 27. No. 7. P. 395–408.

Full text [in Ukrainian]