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Alvanite from Kazakhstan, U.S.S.R.: new crystallographic and chemical data

Published online by Cambridge University Press:  05 July 2018

Pete J. Dunn ,
Andrew C. Roberts  and
Franz Pertlik
Pete J. Dunn
Affiliation:
Department of Mineral Sciences, Smithsonian Institution, Washington, DC 20560
Andrew C. Roberts
Affiliation:
Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario, Canada K1A OE8
Franz Pertlik
Affiliation:
Institut für Mineralogie und Kristallographie, Universitat Wien, A-1010 Wien, Austria
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Abstract

Alvanite is monoclinic P21/n, with a = 17.808(8), b = 5.132(3), c = 8.881(4)Å, and β = 92.11(3)0. The density is 2.49 g/cm3 (meas), 2.492 g/cm3 (calc), Microprobe analysis yielded Al2O3 34.2, FeO 0.3, ZnO 7.6, NiO 4.2, V2O5 27.5, H2O (by difference) 26.2, total = 100.0 wt. %. This leads to the idealized formula (Zn,Ni)Al4(VO3)2(OH)12·2H2O with Z = 2.

Keywords

alvanitecrystallographyKazakhstanU.S.S.R.
Type
Crystal Structures
Information
Mineralogical Magazine , Volume 54 , Issue 377 , December 1990 , pp. 609 - 611
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1990

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References

Ankinovich, E. A. (1959) The new vanadium minerals satpaevite and al'vanite. Zap. Vses. Mineral. Obshch. 88, 157-64.Google Scholar
Pertlik, F. and Dunn, P. J. (1990) Crystal structure of alvanite, (Zn,Ni)Al4(VO3)2(OH)12.2H2O, the first example of an unbranched zweier-single chain vanadate in nature. Neues Jahrb. Mineral. Mh., 385-92.Google Scholar