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Nomenclature of the micas

Published online by Cambridge University Press:  05 July 2018

M. Rieder
Affiliation:
Department of Geochemistry, Mineralogy and Mineral Resources, Charles University, Albertov 6, 12843 Praha 2, Czech Republic
G. Cavazzini
Affiliation:
Dipartimento di Mineralogia e Petrologia, Università di Padova, Corso Garibaldi, 37, I-35122 Padova, Italy
Yu. S. D’yakonov
Affiliation:
VSEGEI, Srednii pr., 74, 199 026 Sankt-Peterburg, Russia
V. A. Frank-Kamenetskii
Affiliation:
Department of Geological Sciences, University of Illinois at Chicago, 845 West Taylor St., Chicago, IL 60607-7059, USA
G. Gottardi
Affiliation:
Department of Geological Sciences, University of Illinois at Chicago, 845 West Taylor St., Chicago, IL 60607-7059, USA
S. Guggenheim
Affiliation:
Department of Geological Sciences, University of Illinois at Chicago, 845 West Taylor St., Chicago, IL 60607-7059, USA
P. V. Koval’
Affiliation:
Institut geokhimii SO AN Rossii, ul. Favorskogo 1a, Irkutsk - 33, Russia 664 033
G. Müller
Affiliation:
Institut für Mineralogie und Mineralische Rohstoffe, Technische Universität Clausthal, Postfach 1253, D-38670 Clausthal-Zellerfeld, Germany
A. M. R. Neiva
Affiliation:
Departamento de Ciências da Terra, Universidade de Coimbra, Apartado 3014, 3049 Coimbra CODEX, Portugal
E. W. Radoslovich
Affiliation:
Centre de Recherche sur la Synthèse et la Chimie des Minéraux, C.N.R.S., 1A, Rue de la Férollerie, 45071 Orléans CEDEX 2, France
J.-L. Robert
Affiliation:
Centre de Recherche sur la Synthèse et la Chimie des Minéraux, C.N.R.S., 1A, Rue de la Férollerie, 45071 Orléans CEDEX 2, France
F. P. Sassi
Affiliation:
Dipartimento di Mineralogia e Petrologia, Università di Padova, Corso Garibaldi, 37, I-35122 Padova, Italy
H. Takeda
Affiliation:
Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino City, Chiba 275, Japan
Z. Weiss
Affiliation:
Central Analytical Laboratory, Technical University of Mining and Metallurgy, Tř. 17.listopadu, 708 33 Ostrava-Poruba, Czech Republic

Abstract

End-members and species defined with permissible ranges of composition are presented for the true micas, the brittle micas, and the interlayer-deficient micas. The determination of the crystallochemical formula for different available chemical data is outlined, and a system of modifiers and suffixes is given to allow the expression of unusual chemical substitutions or polytypic stacking arrangements. Tables of mica synonyms, varieties, ill-defined materials, and a list of names formerly or erroneously used for micas are presented. The Mica Subcommittee was appointed by the Commission on New Minerals and Mineral Names of the International Mineralogical Association. The definitions and recommendations presented were approved by the Commission.

Information

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1999 

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