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Jones, J. B., Nesbitt, R. W., Slade, P. G. (1969) The determination of the orthoclase content of homogenized alkali feldspars using the 2̄01 X-ray method. Mineralogical Magazine, 37 (288) 489-496 doi:10.1180/minmag.1969.037.288.09

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Reference TypeJournal (article/letter/editorial)
TitleThe determination of the orthoclase content of homogenized alkali feldspars using the 2̄01 X-ray method
JournalMineralogical Magazine
AuthorsJones, J. B.Author
Nesbitt, R. W.Author
Slade, P. G.Author
Year1969 (December)Volume37
Issue288
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_37/37-288-489.pdf+
DOIdoi:10.1180/minmag.1969.037.288.09Search in ResearchGate
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Mindat Ref. ID6322Long-form Identifiermindat:1:5:6322:1
GUID0
Full ReferenceJones, J. B., Nesbitt, R. W., Slade, P. G. (1969) The determination of the orthoclase content of homogenized alkali feldspars using the 2̄01 X-ray method. Mineralogical Magazine, 37 (288) 489-496 doi:10.1180/minmag.1969.037.288.09
Plain TextJones, J. B., Nesbitt, R. W., Slade, P. G. (1969) The determination of the orthoclase content of homogenized alkali feldspars using the 2̄01 X-ray method. Mineralogical Magazine, 37 (288) 489-496 doi:10.1180/minmag.1969.037.288.09
In(1969, December) Mineralogical Magazine Vol. 37 (288) Mineralogical Society
Abstract/NotesSummaryForty-three natural alkali feldspars have been homogenized and used to correlate with wt % K2O. The regression of Or on is Or (wt %) = 465·5 (Å)-1877·5, and is comparable to that obtained on an exchanged orthoclase (Wright, 1968). A deviation from the Orville (1963, 1967) determinative line for synthetic sanidine-albite is greatest at the high potassium end of the series. The discrepancy is not caused by failure to homogenize or incomplete disorder. The presence of cations other than potassium and sodium, or cation deficiency, or both cannot be discounted as a cause.


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