Nomenclature of amphiboles: Additions and revisions to the International Mineralogical Association's amphibole nomenclature

Bernard E. Leake; Alan R. Woolley; William D. Birch; Ernst A.J. Burke; Giovanni Ferraris; Joel D. Grice; Frank C. Hawthorne; Hanan J. Kisch; Vladimir G. Krivovichev; John C. Schumacher; Nicholas C.N. Stephenson; Eric J.W. Whittaker

doi:10.1127/0935-1221/2004/0016-0191

Nomenclature of amphiboles: Additions and revisions to the International Mineralogical Association's amphibole nomenclature

Bernard E. Leake, Alan R. Woolley, William D. Birch, Ernst A.J. Burke, Giovanni Ferraris, Joel D. Grice, Frank C. Hawthorne, Hanan J. Kisch, Vladimir G. Krivovichev, John C. Schumacher, Nicholas C.N. Stephenson, Eric J.W. Whittaker

Department of Earth and Environmental sciences

Research output: Contribution to journal › Article › peer-review

77 Scopus citations

Abstract

The introduction of a fifth amphibole group, the Na-Ca-Mg-Fe-Mn-Li group, defined by 0.50 < ^B(Mg,Fe²⁺,Mn²⁺,Li) < 1.50 and 0.50 <= ^B(Ca,Na) <= 1.50 apfu (atoms per formula unit), with members whittakerite and ottoliniite, has been required by recent discoveries of ^B(LiNa) amphiboles. This, and other new discoveries, such as sodicpedrizitc (which is herein slightly, but significantly changed from the original idealised formula),. necessitate amendments to the IMA 1997 definitions of the Mg-Fe-Mn-Li, calcic, sodic-calcic and sodic groups. The discovery of obertiite and the finding of an incompatibility in the IMA 1997 subdivision of the sodic group, requires further amendments within the sodic group. All these changes, which have IMA approval, are summarised.

Original language	English
Pages (from-to)	191-196
Number of pages	6
Journal	European Journal of Mineralogy
Volume	16
Issue number	1
DOIs	https://doi.org/10.1127/0935-1221/2004/0016-0191
State	Published - 1 Jan 2004

Keywords

Amphibole nomenclature
Obertiite
Ottoliniite
Sodic amphiboles
Sodicpedrizite
Whittakerite

ASJC Scopus subject areas

Geochemistry and Petrology

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10.1127/0935-1221/2004/0016-0191

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Leake, B. E., Woolley, A. R., Birch, W. D., Burke, E. A. J., Ferraris, G., Grice, J. D., Hawthorne, F. C., Kisch, H. J., Krivovichev, V. G., Schumacher, J. C., Stephenson, N. C. N., & Whittaker, E. J. W. (2004). Nomenclature of amphiboles: Additions and revisions to the International Mineralogical Association's amphibole nomenclature. European Journal of Mineralogy, 16(1), 191-196. https://doi.org/10.1127/0935-1221/2004/0016-0191

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abstract = "The introduction of a fifth amphibole group, the Na-Ca-Mg-Fe-Mn-Li group, defined by 0.50 < B(Mg,Fe2+,Mn2+,Li) < 1.50 and 0.50 <= B(Ca,Na) <= 1.50 apfu (atoms per formula unit), with members whittakerite and ottoliniite, has been required by recent discoveries of B(LiNa) amphiboles. This, and other new discoveries, such as sodicpedrizitc (which is herein slightly, but significantly changed from the original idealised formula),. necessitate amendments to the IMA 1997 definitions of the Mg-Fe-Mn-Li, calcic, sodic-calcic and sodic groups. The discovery of obertiite and the finding of an incompatibility in the IMA 1997 subdivision of the sodic group, requires further amendments within the sodic group. All these changes, which have IMA approval, are summarised.",

keywords = "Amphibole nomenclature, Obertiite, Ottoliniite, Sodic amphiboles, Sodicpedrizite, Whittakerite",

author = "Leake, {Bernard E.} and Woolley, {Alan R.} and Birch, {William D.} and Burke, {Ernst A.J.} and Giovanni Ferraris and Grice, {Joel D.} and Hawthorne, {Frank C.} and Kisch, {Hanan J.} and Krivovichev, {Vladimir G.} and Schumacher, {John C.} and Stephenson, {Nicholas C.N.} and Whittaker, {Eric J.W.}",

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Leake, BE, Woolley, AR, Birch, WD, Burke, EAJ, Ferraris, G, Grice, JD, Hawthorne, FC, Kisch, HJ, Krivovichev, VG, Schumacher, JC, Stephenson, NCN & Whittaker, EJW 2004, 'Nomenclature of amphiboles: Additions and revisions to the International Mineralogical Association's amphibole nomenclature', European Journal of Mineralogy, vol. 16, no. 1, pp. 191-196. https://doi.org/10.1127/0935-1221/2004/0016-0191

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AU - Burke, Ernst A.J.

AU - Ferraris, Giovanni

AU - Grice, Joel D.

AU - Hawthorne, Frank C.

AU - Kisch, Hanan J.

AU - Krivovichev, Vladimir G.

AU - Schumacher, John C.

AU - Stephenson, Nicholas C.N.

AU - Whittaker, Eric J.W.

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Nomenclature of amphiboles: Additions and revisions to the International Mineralogical Association's amphibole nomenclature

Abstract

Keywords

ASJC Scopus subject areas

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