| Reference Type | Journal (article/letter/editorial) |
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| Title | Relationship between the crystallographic orientation and the ‘alexandrite effect’ in synthetic alexandrite |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Liu, Yan | Author |
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| Shigley, James E. | Author |
| Fritsch, Emmanuel | Author |
| Hemphill, Scott | Author |
| Year | 1995 (March) | Volume | 59 |
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| Issue | 394 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_59/59-394-111.pdf+ |
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| DOI | doi:10.1180/minmag.1995.59.394.10Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 2616 | Long-form Identifier | mindat:1:5:2616:5 |
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| GUID | 0 |
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| Full Reference | Liu, Yan, Shigley, James E., Fritsch, Emmanuel, Hemphill, Scott (1995) Relationship between the crystallographic orientation and the ‘alexandrite effect’ in synthetic alexandrite. Mineralogical Magazine, 59 (394) 111-114 doi:10.1180/minmag.1995.59.394.10 |
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| Plain Text | Liu, Yan, Shigley, James E., Fritsch, Emmanuel, Hemphill, Scott (1995) Relationship between the crystallographic orientation and the ‘alexandrite effect’ in synthetic alexandrite. Mineralogical Magazine, 59 (394) 111-114 doi:10.1180/minmag.1995.59.394.10 |
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| In | (1995, March) Mineralogical Magazine Vol. 59 (394) Mineralogical Society |
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| Abstract/Notes | AbstractThe transmittance spectra of a synthetic alexandrite recorded along directions parallel to the three crystallographic axes are generally similar, but the observed colour changes along these directions under different light sources are quite different. Calculated hue-angle changes for the colours observed under different pairs of C.I.E. standard illuminants are the largest for light travelling parallel to the a-axis. Therefore, alexandrite should be cut as a gemstone with the top facet oriented parallel to (100) for it to show the most dramatic change in colour. |
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