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Raman spectroscopic and microscopic criteria for the distinction of microdiamonds in ultrahigh-pressure metamorphic rocks from diamonds in sample preparation materials

  • Maria Perraki EMAIL logo , Andrey V. Korsakov , David C. Smith and Evripidis Mposkos
Published/Copyright: April 1, 2015
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American Mineralogist
From the journal American Mineralogist Volume 94 Issue 4

Abstract

Natural diamond from three ultrahigh-pressure metamorphic (UHPM) terranes (Erzgebirge Massif, Germany; Kokchetav Massif, Northern Kazakhstan; Rhodope Metamorphic Province, Greece) and synthetic diamond from cutting and polishing materials (paste, spray, saw blade) were studied by means of optical microscopy and Raman microspectroscopy, to constitute a new petrographic and spectroscopic data set that might be a useful tool for identifying and characterizing metamorphic diamond. Several criteria are established for distinguishing natural microdiamond identified in a rock thin section from the externally introduced ones [i.e., diamond as residual particles (contaminants) from the cutting and polishing material] such as the diamond size, the presence of inclusions, coatings, or coexistent phases and two diamond Raman band parameters, i.e., the Raman shift and the full-width at half maximum height (FWHM).

Keywords : Diamond; Raman; UHP metamorphism; Kokchetav; Erzgebirge; Rhodope Metamorphic Province
Received: 2008-3-6
Accepted: 2008-12-9
Published Online: 2015-4-1
Published in Print: 2009-4-1

© 2015 by Walter de Gruyter Berlin/Boston

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  12. Stability of pargasite during ultrahigh-temperature metamorphism: A consequence of titanium and REE partitioning?
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  17. Synchrotron Mössbauer spectroscopic study of ferropericlase at high pressures and temperatures
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  23. Letter Crystal structure and Raman spectrum of a high-pressure Li-rich majoritic garnet, (Li2Mg)Si2(SiO4)3
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https://doi.org/10.2138/am.2009.2973
Keywords for this article
Diamond; Raman; UHP metamorphism; Kokchetav; Erzgebirge; Rhodope Metamorphic Province

Articles in the same Issue

  1. Growth controls in colloform pyrite
  2. Parageneses and Th-U distributions among allanite, monazite, and xenotime in Barroviantype metapelites, Imjingang belt, central Korea
  3. Magmatic vs. hydrothermal origins for zircon associated with tantalum mineralization in the Tanco pegmatite, Manitoba, Canada
  4. Molecular conformation and anion configuration variations for As4S4 and As4Se4 in an anion-substituted solid solution
  5. Low-pressure clino- to high-pressure clinoenstatite phase transition: A phonon-related mechanism
  6. Coordination study of rare earth elements on Fe oxyhydroxide and Mn dioxides: Part I. Influence of a multi-electron excitation on EXAFS analyses of La, Pr, Nd, and Sm
  7. Coordination study of rare earth elements on Fe oxyhydroxide and Mn dioxides: Part II. Correspondence of structural change to irregular variations of partitioning coefficients and tetrad effect variations appearing in interatomic distances
  8. Aluminocerite-Ce: A new species from Baveno, Italy: Description and crystal-structure determination
  9. A thermodynamic model for the plagioclase-liquid hygrometer/thermometer
  10. Solid-state NMR and IR spectroscopic investigation of the role of structural water and F in carbonate-rich fluorapatite
  11. Chemical-structural modularity in the tetradymite group: A HRTEM study
  12. Stability of pargasite during ultrahigh-temperature metamorphism: A consequence of titanium and REE partitioning?
  13. Raman spectroscopic and microscopic criteria for the distinction of microdiamonds in ultrahigh-pressure metamorphic rocks from diamonds in sample preparation materials
  14. Lattice compression and structural behavior of NaVSi2O6 clinopyroxene to 11 GPa
  15. A predictive model for the enthalpies of hydration of zeolites
  16. Thermal decomposition of calcite: Mechanisms of formation and textural evolution of CaO nanocrystals
  17. Synchrotron Mössbauer spectroscopic study of ferropericlase at high pressures and temperatures
  18. Effective radii of noble gas atoms in silicates from first-principles molecular simulation
  19. Fettelite, [Ag6As2S7][Ag10HgAs2S8] from Chañarcillo, Chile: Crystal structure, pseudosymmetry, twinning, and revised chemical formula
  20. High-pressure phase transformation in LiFeGe2O6 pyroxene
  21. Letter. Determination of the crystal structure of sanderite, MgSO4·2H2O, by X-ray powder diffraction and the charge flipping method
  22. Letter. Forsterite, wadsleyite, and ringwoodite (Mg2SiO4): 29Si NMR constraints on structural disorder and effects of paramagnetic impurity ions
  23. Letter Crystal structure and Raman spectrum of a high-pressure Li-rich majoritic garnet, (Li2Mg)Si2(SiO4)3
  24. Letter. Quasi-ice-like CP behavior of molecular H2O in hemimorphite Zn4Si2O7(OH)2·H2O: CP and entropy of confined H2O in microporous silicates
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