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Arsenian nagyagite from Sacarimb, Romania: a possible new mineral species

Published online by Cambridge University Press:  05 July 2018

G. Simon
Affiliation:
Department of Mineralogy, University of Bucharest, l.N.Balcescu Av., 70111 Bucharest, Romania
D. H. M. Alderton
Affiliation:
Department of Geology, Royal Holloway, University of London, Egham, Surrey, TW20 0EX, UK
T. Bleser
Affiliation:
Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, UK

Abstract

Arsenic-rich nagyagite (up to 5.5 wt % As) has been discovered in samples from the Au-Ag-Te deposit of Sacarimb, western Romania. Optical properties of the mineral show small but distinct differences to nagyagite (ss). Chemical analyses indicate a substitution of As for Sb, and chemical zonation suggests rapid changes in the chemistry of the mineralising fluids.

Type
Mineralogy
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1994

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Footnotes

*

Present address: Techn. Universität Clausthal, Inst. f. Mineralogie, Adolph-Roemer Str. 2A, D-38678 Clausthal-Zellerfeld, Germany.

References

Cabri, L. J. (1965) Phase relation in the Au-Ag-Te system and their mineralogical significance. Econ.GeoL, 60, 1569–606.Google Scholar
Ghitulescu, T. P. and Socolescu, M. (1941) Etude geologique et miniere des Monts Metalliferes. An. Inst. Geol. Roum., XXI, 181–463.Google Scholar
Giusca, D. (1937) Le chimisme de la nagyagite. Bui. Soc. Roum. Geol, III, 118-21.Google Scholar
Kelly, W. C. and Goddard, E. N. (1969) Telluride ores of Boulder Country, Colorado. Geol. Soc. America Mem., 109, 237 pp.Google Scholar
Stumpfl, E. (1970) New electron probe and optical data on gold tellurides. Amer. Mineral., 55, 808–14.Google Scholar
Udubasa, G., Strusievicz, R. O., Dafin, E. and Verdes, G. (1992) Excursion guide to ‘The first National Symposium on Mineralogy in Romania'. Rom. J. Mineralogy, 75, supl. 2, 19–31.Google Scholar