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Gibbons, K., Dempsey, M. J., Henderson, C. M. B. (1981) The thermal expansion of staurolite, Fe4Al18Si8O44(OH)4. Mineralogical Magazine, 44 (333) 69-72 doi:10.1180/minmag.1981.44.333.11

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Reference TypeJournal (article/letter/editorial)
TitleThe thermal expansion of staurolite, Fe4Al18Si8O44(OH)4
JournalMineralogical MagazineISSN0026-461X
AuthorsGibbons, K.Author
Dempsey, M. J.Author
Henderson, C. M. B.Author
Year1981 (March)Volume44
Issue333
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_44/44-333-69.pdf+
DOIdoi:10.1180/minmag.1981.44.333.11Search in ResearchGate
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Mindat Ref. ID3223Long-form Identifiermindat:1:5:3223:4
GUID0
Full ReferenceGibbons, K., Dempsey, M. J., Henderson, C. M. B. (1981) The thermal expansion of staurolite, Fe4Al18Si8O44(OH)4. Mineralogical Magazine, 44 (333) 69-72 doi:10.1180/minmag.1981.44.333.11
Plain TextGibbons, K., Dempsey, M. J., Henderson, C. M. B. (1981) The thermal expansion of staurolite, Fe4Al18Si8O44(OH)4. Mineralogical Magazine, 44 (333) 69-72 doi:10.1180/minmag.1981.44.333.11
In(1981, March) Mineralogical Magazine Vol. 44 (333) Mineralogical Society
Abstract/NotesAbstractThe thermal expansion of iron end-member staurolite has been studied by high-temperature powder X-ray diffraction methods and by modelling with the Distance Least Squares (DLS) computer program. The X-ray approach was complicated by dehydroxylation of the staurolite. Mean linear expansion coefficients for the a, b, and c cell edges of dehydroxylated staurolite determined by the X-ray method are (× 10−6 °C−1); 20–500 °C, 8.93, 8.23, and 7.95, respectively, and 20–800 °C, 7.85, 9.43, and 9.13, respectively. Expansion coefficients of a, b, and c calculated for hydroxylated staurolite using the DLS program over the same temperature ranges are (7.86, 7.18, and 7.55 × 10−6 °C−1) and (7.87, 7.17, and 7.57 × 10−6 °C−1). The good agreement between the results from the two methods supports the use of computer modelling in estimating the thermal expansion behaviour of complex structures. The latter approach could be preferable for studying hydrated minerals.


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