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Sameshima, T., Henderson, G. S., Black, P. M., Rodgers, K. A. (1985) X-ray diffraction studies of vivianite, metavivianite, and barićite. Mineralogical Magazine, 49 (350) 81-85 doi:10.1180/minmag.1985.049.350.11

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Reference TypeJournal (article/letter/editorial)
TitleX-ray diffraction studies of vivianite, metavivianite, and barićite
JournalMineralogical MagazineISSN0026-461X
AuthorsSameshima, T.Author
Henderson, G. S.Author
Black, P. M.Author
Rodgers, K. A.Author
Year1985 (March)Volume49
Issue350
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_49/49-350-81.pdf+
DOIdoi:10.1180/minmag.1985.049.350.11Search in ResearchGate
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Mindat Ref. ID3700Long-form Identifiermindat:1:5:3700:0
GUID0
Full ReferenceSameshima, T., Henderson, G. S., Black, P. M., Rodgers, K. A. (1985) X-ray diffraction studies of vivianite, metavivianite, and barićite. Mineralogical Magazine, 49 (350) 81-85 doi:10.1180/minmag.1985.049.350.11
Plain TextSameshima, T., Henderson, G. S., Black, P. M., Rodgers, K. A. (1985) X-ray diffraction studies of vivianite, metavivianite, and barićite. Mineralogical Magazine, 49 (350) 81-85 doi:10.1180/minmag.1985.049.350.11
In(1985, March) Mineralogical Magazine Vol. 49 (350) Mineralogical Society
Abstract/NotesAbstractVivianite specimens from various world localities yield X-ray powder patterns of two types: one corresponds with that shown by synthetic Fe3(PO4)2 · 8H2O and is not readily distinguished from that of barićite; the second shows reflections of monoclinic vivianite and triclinic metavivianite along with reflections of a bobierrite-type phase. The triclinic phase occurs as two twin-related lattices with twin plane 110 being the structural equivalent of 010 in the monoclinic phase. The relationship of the bobierrite-type lattice to the other two has not been established. The ternary pattern is produced by some coarse-grained vivianites on natural oxidation. Finer grained vivianites oxidise to an X-ray amorphous state without passing through a triclinic intermediate.


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