Reference Type | Journal (article/letter/editorial) |
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Title | Drugmanite, Pb2(Fe3+,Al) (PO4)2(OH) · H2O, a new mineral from Richelle, Belgium |
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Journal | Mineralogical Magazine | ISSN | 0026-461X |
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Authors | Van Tassel, R. | Author |
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Fransolet, A.-M. | Author |
Abraham, K. | Author |
Year | 1979 (December) | Volume | 43 |
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Issue | 328 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_43/43-328-463.pdf+ |
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DOI | doi:10.1180/minmag.1979.043.328.03Search in ResearchGate |
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| Generate Citation Formats |
Mindat Ref. ID | 3066 | Long-form Identifier | mindat:1:5:3066:7 |
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GUID | 0 |
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Full Reference | Van Tassel, R., Fransolet, A.-M., Abraham, K. (1979) Drugmanite, Pb2(Fe3+,Al) (PO4)2(OH) · H2O, a new mineral from Richelle, Belgium. Mineralogical Magazine, 43 (328) 463-467 doi:10.1180/minmag.1979.043.328.03 |
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Plain Text | Van Tassel, R., Fransolet, A.-M., Abraham, K. (1979) Drugmanite, Pb2(Fe3+,Al) (PO4)2(OH) · H2O, a new mineral from Richelle, Belgium. Mineralogical Magazine, 43 (328) 463-467 doi:10.1180/minmag.1979.043.328.03 |
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In | (1979, December) Mineralogical Magazine Vol. 43 (328) Mineralogical Society |
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Abstract/Notes | SummaryDrugmanite occurs as rare colourless transparent platy crystals, up to 0.2 mm, aggregated in bunches, in vugs of a mineralized and silicified limestone. Hardness < 6. Crystals monoclinic, forms {001} {110}, parameters from indexed X-ray powder pattern (and monocrystal measurements): a = 11.110 (11.111) Å, b = 7.976 (7.986), c = 4.644 (4.643), β = 90°18′ (90°.41°). Space group P21/a with Z = 2 giving Dcalc = 5.55. Strongest lines are 4.63 Å (9), 3.752 (IO), 3.350 (8), 3.247 (8), 2.912 (9). Mean refractive index 1.88 from reflectance measurements. Strong dispersion r < v, optic axial plane // (olo), 2Vα = 33±2°. Electron microprobe analysis gave P 8.89, Al 0.85, Fe 6.19, Pb 59.76%, leading to Pb4.02 Al0.45)P4.00O17.02·3H2O or Pb2 (Al0.22) (PO4)2 (OH)·H2O. Associated minerals are pyromorphite, anglesite, corkite and phosphosiderite. Named for J. Drugman, Belgian mineralogist (1875–1950). |
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