Russian synthetic ametrine

Gems and Gemology

Volumn 35, Issue 2, 1999, Pages 122-134

  Balitsky, Vladimir S ^a   Lu, Taijin ^b   Rossman, George R ^c   Makhina, Irina B ^e   Mar'in, Anatolii A ^d   Shigley, James E ^b   Elen, Shane ^b   Dorogovin, Boris A ^e  

^a INSTITUTE OF EXPERIMENTAL MINERALOGY   (Russian Federation)

^b GIA   (United States)

^c CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^d Russian Research Institute for Material Synthesis ^*  (Russian Federation)

^e All Russia Research Institute for Synthesis of Materials (VNIISIMS)   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 1842795526     PISSN: 0016626X     EISSN: None     Source Type: Journal    
DOI: 10.5741/GEMS.35.2.122     Document Type: Article

References (23)

1. Balakirev V.G., Keivlenko E.Y., Nikolskaya L.V., Samoilovich M.I., Khadzhi V.E., Tsinober L.I. (1979) Mineralogy and Crystal Physics of Gem Varieties of Silica. Nedra Publishers, Moscow, [in Russian].
2. Balitsky V.S. (1980) Synthetic amethyst: Its history, methods of growing, morphology and peculiar features. Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 29, No. 1, pp. 5-16.
3. Balitsky V.S., Khetchikov L.N., Dorogovin B.A. (1970) Some specific geochemical conditions of amethyst formation. In V.P. Butusov, Ed., Trudy VNIISIMS, Synthesis and Experimental Investigation, Vol. 13, Nedra Publishers, Moscow, pp. 75-82 [in Russian].
4. Balitsky V.S., Lisitsina E.E. (1981) Synthetic Analogues and Imitations of Natural Gemstones. Nedra Publishers, Moscow [in Russian].
5. Balitsky V.S., Balitskaya O.V. (1986) The amethyst-citrine dichromatism in quartz and its origin. Physics and Chemistry of Minerals, Vol. 13, pp. 415-421.
6. Brewster D. (1823) On circular polarization, as exhibited in the optical structure of the amethyst, with remarks on the distribution of the coloring matter in that mineral. Transactions of the Royal Society of Edinburgh, Vol. 9, pp. 139-152.
7. Crowningshield R., Hurlbut C., Fryer C.W. (1986) A simple procedure to separate natural from synthetic amethyst on the basis of twinning. Gems & Gemology, Vol. 22, No. 3, pp. 130-139.
8. Garrels R.M., Christ C.L. (1965) Solutions, Minerals and Equilibria. Freeman, Cooper & Co., San Francisco, CA, 450 pp.
9. Hehar W.C. (1980) The discovery of golden amethyst. Lapidary Journal, Vol. 34, pp. 582-583.
10. 3+ in amethyst and citrine quartz. Physics Letters, Vol. 4, pp. 310-311.
11. Jones B. (1993) Is ametrine for real? Rock & Gem, Vol. 23, No. 9, pp. 46-52.
12. Koivula J.I. (1980) Citrine-amethyst quartz. Gems & Gemology, Vol. 16, No. 9, pp. 290-293.
13. Koivula J.I., Fritsch E. (1989) The growth of Brazil-twinned synthetic quartz and the potential for synthetic amethyst twinned on the Brazil law. Gems & Gemology, Vol. 25, No. 3, pp. 159-164.
14. Lehmann G. (1975) On the color centers of iron in amethyst and synthetic quartz: A discussion. American Mineralogist, Vol. 60, No. 3-4, pp. 335-337.
15. Lu T., Sunagawa I. (1990) Structure of Brazil twin boundaries in amethyst showing Brewster fringes. Physics and Chemistry of Minerals, Vol. 17, pp. 207-211.
16. Melnik Y.P., Drozdovskaya A.A., Vorobeva K.A. (1974) Physicochemical analysis of the dissolution, migration and deposition of iron in modern volcanic regions. In S. Naboko, Ed., Modern Volcanic Systems, Nauka publishers, Novosibirsk, pp. 119-126 [in Russian].
17. Nassau K. (1981) Artificially induced color in amethyst-citrine quartz. Gems & Gemology, Vol. 17, No. 1, pp. 37-39.
18. Rivero R. (1999) Synthetic ametrine and amethyst infiltrates Bolivian market. ICA Gazette, May/June/July issue, p. 15.
19. Rossman G.R. (1994) The colored varieties of silica. In P.J. Haney, Ed., Silica, Reviews in Mineralogy, Vol. 29, Mineralogical Society of America, Washington, DC, pp. 433-468.
20. Tsinober L.I., Chentsova L.G. (1959) Synthetic quartz with amethyst color. Kristallografiya, Vol. 4, pp. 633-635 [in Russian].
21. Vargas G., Vargas M. (1980) A new quartz gem material. Lapidary Journal, Vol. 34, No. 7, pp. 1504-1506.
22. Vasconcelos P., Wenk H.R., Rossman G.R. (1994) The Anahí ametrine mine, Bolivia. Gems & Gemology, Vol. 30, No. 1, pp. 4-23.
23. 3+ EPR spectrum in irradiated quartz. Kristallografiya, Vol. 19, pp. 1090-1093 [in Russian].