Reference Type | Journal (article/letter/editorial) |
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Title | β-Ferric Oxyhydroxide |
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Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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Authors | Mackay, A. L. | Author |
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Year | 1960 (September) | Volume | 32 |
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Issue | 250 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_32/32-250-545.pdf+ |
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DOI | doi:10.1180/minmag.1960.032.250.04 |
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| Generate Citation Formats |
Mindat Ref. ID | 5575 | Long-form Identifier | mindat:1:5:5575:2 |
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GUID | 0 |
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Full Reference | Mackay, A. L. (1960) β-Ferric Oxyhydroxide. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (250) 545-557 doi:10.1180/minmag.1960.032.250.04 |
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Plain Text | Mackay, A. L. (1960) β-Ferric Oxyhydroxide. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (250) 545-557 doi:10.1180/minmag.1960.032.250.04 |
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In | (1959) Mineralogical Magazine Vol. 32 (250) Mineralogical Society |
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Abstract/Notes | SummaryThe crystallographic properties of the hydrated iron oxide obtained by the hydrolysis of FeCl3 are described. The characterizing X-ray powder pattern can be indexed on a tetragonal unit cell with a 10·48 and c 3·023 Å. This cell is shown to contain eight formula units of FeOOH but Cl- or other anions are necessary for the crystallization of the material The structure is that of hollandite or α-MnO2. The unit cell has been confirmed by electron diffraction from single crystals having dimensions about 5000 × 500 × 500 Å. and twinning, which produces hexagonal stars, has been studied. On heating, the structure breaks down and recrystallizes as α-Fe2O2, probably with an intermediate stage involving a spinel phase. |
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