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Coles Phillips, F. (1933) Some relationships between the reflectivities of sulphide ore-minerals. Mineralogical Magazine and Journal of the Mineralogical Society, 23 (143) 458-462 doi:10.1180/minmag.1933.023.143.03

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Reference TypeJournal (article/letter/editorial)
TitleSome relationships between the reflectivities of sulphide ore-minerals
JournalMineralogical Magazine and Journal of the Mineralogical Society
AuthorsColes Phillips, F.Author
Year1933 (December)Volume23
Issue143
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_23/23-143-458.pdf+
DOIdoi:10.1180/minmag.1933.023.143.03
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Mindat Ref. ID7172Long-form Identifiermindat:1:5:7172:1
GUID0
Full ReferenceColes Phillips, F. (1933) Some relationships between the reflectivities of sulphide ore-minerals. Mineralogical Magazine and Journal of the Mineralogical Society, 23 (143) 458-462 doi:10.1180/minmag.1933.023.143.03
Plain TextColes Phillips, F. (1933) Some relationships between the reflectivities of sulphide ore-minerals. Mineralogical Magazine and Journal of the Mineralogical Society, 23 (143) 458-462 doi:10.1180/minmag.1933.023.143.03
In(1932) Mineralogical Magazine Vol. 23 (143) Mineralogical Society
Abstract/NotesSince the early work of Dmde and others on the reflection of light by opaque crystalline media, little progress has been made in the direct determination of the indices of refraction and absorption for such substances. Interest in the optical properties of the opaque minerals, however, has been greatly stimulated by the rapid development in the last few years of the methods of ore-microscopy first brought into prominence by Campbell in 1906. Full theoretical discussions have been given recently by Berek, Koenigsberger, and others, but the only quantitative measure feasible in routine microscopy at present is that of the reflectivity.


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