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Hawthorne, F. C., Grundy, H. D. (1973) The crystal chemistry of the amphiboles II Refinement of the crystal structure of oxy-kaersutite. Mineralogical Magazine, 39 (304). 390-400 doi:10.1180/minmag.1973.039.304.02

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Reference TypeJournal (article/letter/editorial)
TitleThe crystal chemistry of the amphiboles II Refinement of the crystal structure of oxy-kaersutite
JournalMineralogical Magazine
AuthorsHawthorne, F. C.Author
Grundy, H. D.Author
Year1973 (December)Volume39
Page(s)390-400Issue304
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_39/39-304-390.pdf+
DOIdoi:10.1180/minmag.1973.039.304.02Search in ResearchGate
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Mindat Ref. ID6709Long-form Identifiermindat:1:5:6709:0
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Full ReferenceHawthorne, F. C., Grundy, H. D. (1973) The crystal chemistry of the amphiboles II Refinement of the crystal structure of oxy-kaersutite. Mineralogical Magazine, 39 (304). 390-400 doi:10.1180/minmag.1973.039.304.02
Plain TextHawthorne, F. C., Grundy, H. D. (1973) The crystal chemistry of the amphiboles II Refinement of the crystal structure of oxy-kaersutite. Mineralogical Magazine, 39 (304). 390-400 doi:10.1180/minmag.1973.039.304.02
In(1973, December) Mineralogical Magazine Vol. 39 (304) Mineralogical Society
Abstract/NotesSummaryThree-dimensional counter-diffractometer data corrected for absorption and a full matrix least-squares method have been used to refine the crystal structure of an oxy-kaersutite in the space group C2/m. The chemical composition of the amphibole is
with cell parameters a 9·8920(11), b 18·064(2), c 5·3116(7)Å and β 105·388(5)°. Cation site occupancies were refined using bulk chemical constraints and the A-site positionally disordered. The final conventional R-factor for 1041 observed reflections is 4·0%.The rotation of the tetrahedral chains in calcic clino-amphiboles is shown to be a function of the Aliv content of the tetrahedral sites. Comparison of this oxidized amphibole with an hydroxyamphibole of similar chemical composition indicates that on oxidation the maximum amount of structural relaxation takes place in the vicinity of the M(I) octahedra, which distort to a high-energy configuration.

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Kaersutite

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Hawthorne, F. C., Grundy, H. D. (1973) The crystal chemistry of the amphiboles. I: Refinement of the Crystal structure of ferrotschermakite. Mineralogical Magazine, 39 (301) 36-48 doi:10.1180/minmag.1973.039.301.05
Hawthorne, F. C., Grundy, H. D. (1977) The crystal chemistry of the amphiboles. III: Refinement of the crystal structure of a sub-silicic hastingsite. Mineralogical Magazine, 41 (317) 43-50 doi:10.1180/minmag.1977.041.317.07
Hawthorne, F. C. (1985) Refinement of the crystal structure of botallackite. Mineralogical Magazine, 49 (350) 87-89 doi:10.1180/minmag.1985.049.350.12
Schindler, M., Sokolova, E., Abdu, Y., Hawthorne, F. C., Evans, B. W., Ishida, K. (2008) The crystal chemistry of the gedrite-group amphiboles. I. Crystal structure and site populations. Mineralogical Magazine, 72 (3) 703-730 doi:10.1180/minmag.2008.072.3.703
Hawthorne, F. C., Grundy, H. D. (1973) Refinement of the crystal structure of NaScSi2O6. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 29 (11) 2615-2616 doi:10.1107/s0567740873007156
Hawthorne, F. C., Grundy, H. D. (1978) The crystal chemistry of the amphiboles. VII. The crystal structure and site chemistry of potassian ferri-taramite. The Canadian Mineralogist, 16 (1). 53-62
Taylor, H. F. W. (1973) Crystal structures of some double hydroxide minerals. Mineralogical Magazine, 39 (304). 377-389 doi:10.1180/minmag.1973.039.304.01
Hawthorne, F. C., Schindler, M., Abdu, Y., Sokolova, E., Evans, B. W., Ishida, K. (2008) The crystal chemistry of the gedrite-group amphiboles. II. Stereochemistry and chemical relations. Mineralogical Magazine, 72 (3) 731-745 doi:10.1180/minmag.2008.072.3.731
Hawthorne, F. C., Sokolova, E., Pautov, L.A., Agakhanov, A. A., Karpenko, V. Yu. (2016) Refinement of the crystal structure of berezanskite, Ti22KLi3(Si12O30) Mineralogical Magazine, 80 (5) 733-737 doi:10.1180/minmag.2016.080.022
Hawthorne, F. C., Groat, L. A. (1986) The crystal structure and chemical composition of cumengéite. Mineralogical Magazine, 50 (355) 157-162 doi:10.1180/minmag.1986.050.355.21
Hawthorne, F. C., Grundy, H. D. (1974) Refinement of the crystal structure of NaInSi2O6. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 30 (7) 1882-1884 doi:10.1107/s0567740874005991
 
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