| Reference Type | Journal (article/letter/editorial) |
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| Title | Preferential crystal growth along tilt and twist boundaries in hematite |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Sunagawa, Ichiro | Author |
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| Year | 1968 (March) | Volume | 36 |
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| Issue | 281 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_36/36-281-625.pdf+ |
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| DOI | doi:10.1180/minmag.1968.036.281.02Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 6130 | Long-form Identifier | mindat:1:5:6130:2 |
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| GUID | 0 |
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| Full Reference | Sunagawa, Ichiro (1968) Preferential crystal growth along tilt and twist boundaries in hematite. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (281) 625-631 doi:10.1180/minmag.1968.036.281.02 |
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| Plain Text | Sunagawa, Ichiro (1968) Preferential crystal growth along tilt and twist boundaries in hematite. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (281) 625-631 doi:10.1180/minmag.1968.036.281.02 |
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| In | (1966) Mineralogical Magazine Vol. 36 (281) Mineralogical Society |
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| Abstract/Notes | SummaryEvidence of preferential crystal growth along tilt and twist boundaries was observed on a hematite crystal from St. Gothard, Switzerland. Irregular lines that cut across the triangular growth layers on the (0001) face develop around a misoriented hematite crystal. There is a slight inclination of the surface on both sides of the lines, suggesting that they are small-angle grain boundaries (tilt and twist boundaries), consisting of screw and edge dislocations. Both spirals and triangular terraces occur along these lines, in addition to the original triangular growth layers. Growth spirals are also present on the (101Μ1) faces, distributed along certain lines. From these observations it is concluded that preferential crystal growth took place, during the final stage of growth of the host crystal, at both screw and edge dislocations in the tilt and twist boundaries. The latter were formed by the impinging of another hematite crystal on the growing surface of the host crystal. |
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