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    Volume 42, Issue 3 (May 1997)

    The Nondestructive Identification of Ivory-Like Seal Materials

    (Received 5 July 1996; accepted 9 September 1996)

    CODEN: JFSOAD

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    Abstract

    As nondestructive identification techniques, optical microscopic observation, microscopic fluorescence spectroscopy, and specific gravity measurement were applied to examine evidentiary ivory-like seal materials. The cross-hatching pattern, which is known to be characteristic on the cross section of genuine elephant ivory, could be observed on each evidentiary ivory-like seal material, and the evidentiary seal materials were concluded to be made of soft-type African elephant ivory on the correlation of microscopic fluorescence intensity and specific gravity. This technique is novel and useful in inferring the source of African elephant ivory.


    Author Information:

    Shimoyama, M
    Forensic scientists, Forensic Science Laboratory, Hyogo Prefectural Police Headquarters, Kobe,

    Ninomiya, T
    Forensic scientists, Forensic Science Laboratory, Hyogo Prefectural Police Headquarters, Kobe,

    Hamanaga, Y
    Forensic scientists, Forensic Science Laboratory, Hyogo Prefectural Police Headquarters, Kobe,

    Ozaki, Y
    Professor, School of Science, Kwansei-Gakuin University, Nishinomiya,


    Stock #: JFS14144J

    ISSN: 0022-1198

    DOI: 10.1520/JFS14144J

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    Author
    Title The Nondestructive Identification of Ivory-Like Seal Materials
    Symposium , 0000-00-00
    Committee E30