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Nomenclature of Amphiboles; Report of the Subcommittee on Amphiboles of the International Mineralogical Association Commission on New Minerals and Mineral Names

Published online by Cambridge University Press:  05 July 2018

Bernard E. Leake
Affiliation:
Department of Geology and Applied Geology, University of Glasgow, Glasgow GI2 8QQ, UK
Alan R. Woolley
Affiliation:
Department of Mineralogy, Natural History Museum, Cromwell Road, London SW7 5BD, UK
C. E. S. Arps
Affiliation:
Mineral Sciences Division, Canadian Museum of Nature, PO Box 3443, Station D, Ottawa, Ontario, Canada KIP 6P4
W. D. Birch
Affiliation:
Mineral Sciences Division, Canadian Museum of Nature, PO Box 3443, Station D, Ottawa, Ontario, Canada KIP 6P4
M. C. Gilbert
Affiliation:
Mineral Sciences Division, Canadian Museum of Nature, PO Box 3443, Station D, Ottawa, Ontario, Canada KIP 6P4
J. D. Grice
Affiliation:
Mineral Sciences Division, Canadian Museum of Nature, PO Box 3443, Station D, Ottawa, Ontario, Canada KIP 6P4
F. C. Hawthorne
Affiliation:
Department of Earth Sciences, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2
A. Kato
Affiliation:
Department of Geology, Natural Science Museum, 2-23-1 Hyakanin-cho, Shinjuka, Tokyo 160, Japan
H. J. Kisch
Affiliation:
Department of Geology and Mineralogy, Ben Gurion University of the Negev, Beer Sheva 84105, PO Box 653, Israel
V. G. Krivovichev
Affiliation:
Faculty of Geology, St Petersburg University, University Em. 7/9, 199034 St Petersburg, Russia
K. Linthout
Affiliation:
Department of Ore Geology, Petrology and Mineralogy, Institute of Earth Sciences, Free University, Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
J. Laird
Affiliation:
Department of Earth Sciences, College of Engineering and Physical Sciences, University of New Hampshire, Durham, New Hampshire 03824, USA
J. Mandarino
Affiliation:
Institute for Mineralogy, Westfalische Wilhelms, University of Munster, Correnstrasse 24, D4400 Munster, Germany
W. V. Maresch
Affiliation:
Institute for Mineralogy, Westfalische Wilhelms, University of Munster, Correnstrasse 24, D4400 Munster, Germany
E. H. Nickel
Affiliation:
Institut für Mineralogie-Petrologie-Geochemie, Universität Freiburg, Freiburg i. Br., 79104 Germany
N. M. S. Rock
Affiliation:
Institut für Mineralogie-Petrologie-Geochemie, Universität Freiburg, Freiburg i. Br., 79104 Germany
J. C. Schumacher
Affiliation:
Institut für Mineralogie-Petrologie-Geochemie, Universität Freiburg, Freiburg i. Br., 79104 Germany
D. C. Smith
Affiliation:
Department of Geology and Geophysics, University of New England, Armidale, New South Wales 2351, Australia
N. C. N. Stephenson
Affiliation:
Department of Geology and Geophysics, University of New England, Armidale, New South Wales 2351, Australia
L. Ungaretti
Affiliation:
60, Exeter Road, Kidlington, Oxford, OX5 2DZ, U.K.
E. J. W. Whittaker
Affiliation:
60, Exeter Road, Kidlington, Oxford, OX5 2DZ, U.K.
G. Youzhi
Affiliation:
Central Laboratory, Bureau of Geology and Mineral Resources of Hunnan Province, Dashiba, Kunming, P.R. China

Abstract

The International Mineralogical Association's approved amphibole nomenclature has been revised in order to simplify it, make it more consistent with divisions generally at 50%, define prefixes and modifiers more precisely and include new amphibole species discovered and named since 1978, when the previous scheme was approved. The same reference axes form the basis of the new scheme and most names are little changed but compound species names like tremolitic hornblende (now magnesiohornblende) are abolished and also crossite (now glaucophane or ferroglaucophane or magnesioriebeckite or riebeckite), tirodite (now manganocummingtonite) and dannemorite (now manganogrunerite). The 50% rule has been broken only to retain tremolite and actinolite as in the 1978 scheme so the sodic calcic amphibole range has therefore been expanded. Alkali amphiboles are now sodic amphiboles. The use of hyphens is defined. New amphibole names approved since 1978 include nyböite, leakeite, kornite, ungarettiite, sadanagaite and cannilloite. All abandoned names are listed. The formulae and source of the amphibole end member names are listed and procedures outlined to calculate Fe3+ and Fe2+ when not determined by analysis.

Type
Report
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1997

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Footnotes

*

Indicates a non-voting official of the CNMMN.

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