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Cabri, L. J., Harris, D. C. (1972) The new mineral insizwaite (PtBi2) and new data on niggliite (PtSn) Mineralogical Magazine, 38 (299) 794-800 doi:10.1180/minmag.1972.038.299.03

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Reference TypeJournal (article/letter/editorial)
TitleThe new mineral insizwaite (PtBi2) and new data on niggliite (PtSn)
JournalMineralogical Magazine
AuthorsCabri, L. J.Author
Harris, D. C.Author
Year1972 (September)Volume38
Issue299
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_38/38-299-794.pdf+
DOIdoi:10.1180/minmag.1972.038.299.03Search in ResearchGate
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Mindat Ref. ID6583Long-form Identifiermindat:1:5:6583:6
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Full ReferenceCabri, L. J., Harris, D. C. (1972) The new mineral insizwaite (PtBi2) and new data on niggliite (PtSn) Mineralogical Magazine, 38 (299) 794-800 doi:10.1180/minmag.1972.038.299.03
Plain TextCabri, L. J., Harris, D. C. (1972) The new mineral insizwaite (PtBi2) and new data on niggliite (PtSn) Mineralogical Magazine, 38 (299) 794-800 doi:10.1180/minmag.1972.038.299.03
In(1972, September) Mineralogical Magazine Vol. 38 (299) Mineralogical Society
Abstract/NotesSummaryInsizwaite from Waterfall Gorge, Insizwa, is a new mineral with the composition Pt1·00Bi1·35Sb0·57. The name is for the locality and is to be applied to the end member PtBi2. The analysed material is an antimonian variety. The mineral is cubic, the unit-cell for the antimonian variety has a 6·625 (2) Å, probable space group Pa3, calc. D 12·8 g/cm3. The strongest lines on the X-ray diffraction powder pattern are: 2·96 (8) 210; 2·70 (8) 211; 2·34 (5) 220; 1·99 (10 311; 1·774 (7) 321; 1·433 (5) 421; 1·277 (6) 511, 333; 1·171 (6) 440; and 0·862 (7) 731. Under reflected light the mineral is white (in air and in oil) and is isotropic. Reflectance measurements at 470, 546, 589, and 650 nm gave 61·1, 60·0, 60·6, and 61·7 %. Micro-indentation hardness values range from 488 to 540 (av. 519) kg/mm2 with a 25 g load.New data are presented for niggliite from the type locality and for synthetic PtSn.

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Cabri, L.J., Harris, D.C. (1972) The new mineral insizwaite (PtBi2) and new data on niggliite (PtSn). Mineralogical Magazine: 38: 794-800.
Cabri, L.J. and Harris, D.C., (1972) The new mineral insizwaite (PtBi2) and new data on niggliite (PtSn). Mineralogical Magazine, 38, 794-800.
Hall, A. (1972) New data on the composition of Caledonian granites. Mineralogical Magazine, 38 (299) 847-862 doi:10.1180/minmag.1972.038.299.08
Williams, S. A. (1972) Embreyite, a new mineral from Berezov, Siberia. Mineralogical Magazine, 38 (299) 790-793 doi:10.1180/minmag.1972.038.299.02
Stanley, C. J., Roberts, A. C., Harris, D. C. (1994) New data for nagyagite. Mineralogical Magazine, 58 (392) 479-482 doi:10.1180/minmag.1994.058.392.13
Van Wambeke, L. (1971) The uranium-bearing mineral bolivarite: new data and a second occurrence. Mineralogical Magazine, 38 (296) 418-423 doi:10.1180/minmag.1971.038.296.03
Williams, Sidney A. (1972) Zapatalite, a new mineral from Sonora, Mexico. Mineralogical Magazine, 38 (297) 541-544 doi:10.1180/minmag.1972.038.297.01
Dyson, D. J., Juckes, L. M. (1972) A silica-deficient pyroxene in iron ore sinters. Mineralogical Magazine, 38 (299) 872-877 doi:10.1180/minmag.1972.038.299.10
Cesbron, F., Brown, W. L., Bariand, P., Geffroy, J. (1972) Rameauite and agrinierite, two new hydrated complex uranyl oxides from Margnac, France. Mineralogical Magazine, 38 (299) 781-789 doi:10.1180/minmag.1972.038.299.01
International Mineralogical Association (1971) International Mineralogical Association: Commission on New Minerals and Mineral Names. Mineralogical Magazine, 38 (293). 102-105 doi:10.1180/minmag.1971.038.293.14
(1991) 1990 New Mineral Data. Mineralogical Magazine, 55 (381) 621-623 doi:10.1180/minmag.1991.055.381.16
 
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