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Letter. Carbon oxides in cordierite channels: Determination of CO2 isotopic species and CO by single crystal IR spectroscopy

  • Vladimir M. Khomenko EMAIL logo and Klaus Langer
Published/Copyright: March 28, 2015
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American Mineralogist
From the journal American Mineralogist Volume 90 Issue 11-12

Abstract

Polarized IR-absorption spectroscopy in the range 7000-1000 cm-1 has been used to examine natural cordierites of different geological origin and chemical composition. In the literature there is much information on H2O and CO2, as channel constituents in cordierite, though no isotopic species of these molecules have been distinguished. We newly identify 12C16O2, 13C16O2, 12C16O18O, as well as 12C16O from the single-crystal polarized IR spectra. The vibrational parameters, the temperature behavior, and polarization dependence of the identified carbon oxide molecules were studied in the temperature range 80-700 K. The molecular axes of the CO2 and CO species are parallel to the a-axis of cordierite crystals. Repeated spectral measurements after heating confirm the low mobility along the c-axis channels of CO2 and CO molecules at temperatures below 700 K. On the other hand, vibrational frequencies of CO2 and CO species obtained in this investigation are close to those of the vapor phases, suggesting that the molecules are loosely bonded in the large cavities of the silicate framework.

Received: 2005-4-8
Accepted: 2005-7-1
Published Online: 2015-3-28
Published in Print: 2005-11-1

© 2015 by Walter de Gruyter Berlin/Boston

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  23. Single-crystal X-ray diffraction of spinels from the San Carlos Volcanic Field, Arizona: Spinel as a geothermometer
  24. Letter. Direct observations of pseudomorphism: compositional and textural evolution at a fluid- solid interface
  25. Letter. Carbon oxides in cordierite channels: Determination of CO2 isotopic species and CO by single crystal IR spectroscopy
  26. Comment on Melluso et al. (2003) Reported data and interpretation of some wollastonite- and melilite-bearing rocks from the Central Apennines of Italy
  27. Reply to stoppa et.al. 2005. Wollastonite- anorthite- gehlenite-, and fassaite-bearing rocks: Igneous petrological oddity or paralavas?
  28. Comment on Melluso et.al. (2003). The Ricetto and Colle Fabbri wollastonite and melilite-bearing rocks of the central Apennines, Italy
  29. Reply to Capitanio 2005. Mineralogic and bulk rock composition of Italian wollastonite- and melilite-bearing paralava and clinker: Further evidence of their pyrometamorphic nature
https://doi.org/10.2138/am.2005.1963

Articles in the same Issue

  1. Electronic article. Getting the inside story: using computed X-ray tomography to study inclusion trails in garnet porphyroblasts
  2. Structure of framboidal pyrite: An electron backscatter diffraction study
  3. The mineralogical microstructure of shells: PART 2.1 The iridescence colors of abalone shells
  4. Electron probe (Ultrachron) microchronometry of metamorphic monazite: Unraveling the timing of polyphase thermotectonism in the easternmost Wyoming Craton (Black Hills, South Dakota)
  5. New mineral occurrences and mineralization processes: Wuda coal-fire gas vents of Inner Mongolia
  6. Synchrotron micro-X-ray fluorescence analysis of natural diamonds: First steps in identification of mineral inclusions in situ
  7. Speciation and distribution of sulfur in a mollusk shell as revealed by in situ maps using X-ray absorption near-edge structure (XANES) spectroscopy at the S K-edge
  8. Experimental study on diamond dissolution in kimberlitic and lamproitic melts at 1300-1420 °C and 1 GPa with controlled oxygen partial pressure
  9. Validation of LA-ICP-MS fluid inclusion analysis with synthetic fluid inclusions
  10. Etch pit coalescence, surface area, and overall mineral dissolution rates
  11. Crystal chemistry of the elbaite-schorl series
  12. Morphology of nanomagnetite crystals: Implications for formation conditions
  13. Fragmentation phenomena in populations of magmatic crystals
  14. Kinetics of Fe2+-Mg order-disorder in P21/c pigeonite
  15. First-principles studies on the elastic constants of a 1:1 layered kaolinite mineral
  16. Quantum mechanical calculations of trans-vacant and cis-vacant polymorphism in dioctahedral 2:1 phyllosilicates
  17. The stability and Raman spectra of ikaite, CaCO3·6H2O, at high pressure and temperature
  18. Model pyroxenes III: Volume of C2/c pyroxenes at mantle P, T, and x
  19. The kinetics and mechanisms of goethite and hematite crystallization under alkaline conditions, and in the presence of phosphate
  20. High-resolution 17O MAS NMR spectroscopy of forsterite (α-Mg2SiO4), wadsleyite (β-Mg2SiO4), and ringwoodite (γ-Mg2SiO4)
  21. Comparative study of equilibrated and unequilibrated eucrites: Subsolidus thermal histories of Haraiya and Pasamonte
  22. Origin and internal evolution of the Li-F-Be-B-P-bearing Pinilla de Fermoselle pegmatite (Central Iberian Zone, Zamora, Spain)
  23. Single-crystal X-ray diffraction of spinels from the San Carlos Volcanic Field, Arizona: Spinel as a geothermometer
  24. Letter. Direct observations of pseudomorphism: compositional and textural evolution at a fluid- solid interface
  25. Letter. Carbon oxides in cordierite channels: Determination of CO2 isotopic species and CO by single crystal IR spectroscopy
  26. Comment on Melluso et al. (2003) Reported data and interpretation of some wollastonite- and melilite-bearing rocks from the Central Apennines of Italy
  27. Reply to stoppa et.al. 2005. Wollastonite- anorthite- gehlenite-, and fassaite-bearing rocks: Igneous petrological oddity or paralavas?
  28. Comment on Melluso et.al. (2003). The Ricetto and Colle Fabbri wollastonite and melilite-bearing rocks of the central Apennines, Italy
  29. Reply to Capitanio 2005. Mineralogic and bulk rock composition of Italian wollastonite- and melilite-bearing paralava and clinker: Further evidence of their pyrometamorphic nature
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