Home Physical Sciences Structural parameters of chromite included in diamond and kimberlites from Siberia: A new tool for discriminating ultramafic source
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Structural parameters of chromite included in diamond and kimberlites from Siberia: A new tool for discriminating ultramafic source

  • Davide Lenaz EMAIL logo , Alla M. Logvinova , Francesco Princivalle and Nikolai V. Sobolev
Published/Copyright: April 1, 2015
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American Mineralogist
From the journal American Mineralogist Volume 94 Issue 7

Abstract

Siberian chromite included in diamond, kimberlite, and spinel peridotite as well as Cr-spinel from garnet-spinel peridotite have been studied by single-crystal X-ray diffraction and electron microprobe analysis. Cell edges and oxygen positional parameters, u, of chromite in diamond and in kimberlite are comparable (cell edge, 8.3249-8.3390 Å; u, 0.26175-0.26213). The structural parameters of chromite in the spinel peridotite are similar to those of chromite grains from ophiolitic complexes, and those of Cr-spinel from garnet-spinel peridotite are comparable to those of Cr-spinel in lherzolitic mantle xenoliths. With the exception of the chromite in garnet-spinel peridotite, all analyzed spinels have a high Cr content. Recasting the chemical analyses according to spinel stoichiometry reveals negligible or no Fe3+. Chrome spinel may be present in heavy concentrates derived from serpentinized mafic and ultramafic rocks as the sole surviving primary mineral and, as such, their particular structural and chemical parameters may represent a new prospecting tool for discriminating the ultramafic source.

Keywords : Siberia; diamond; chromite; crystal chemistry
Received: 2008-12-5
Accepted: 2009-3-19
Published Online: 2015-4-1
Published in Print: 2009-7-1

© 2015 by Walter de Gruyter Berlin/Boston

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  1. 27Al NMR spectroscopy at multiple magnetic fields and ab initio quantum modeling for kaolinite
  2. The effect of oxygen fugacity on the olivine to wadsleyite transformation: Implications for remote sensing of mantle redox state at the 410 km seismic discontinuity
  3. Spectroscopic characteristics of synthetic olivine: An integrated multi-wavelength and multi-technique approach
  4. Effects of hydration on thermal expansion of forsterite, wadsleyite, and ringwoodite at ambient pressure
  5. Forsterite, hydrous and anhydrous wadsleyite and ringwoodite (Mg2SiO4): 29Si NMR results for chemical shift anisotropy, spin-lattice relaxation, and mechanism of hydration
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  7. Fe-Mg partitioning between perovskite and ferropericlase in the lower mantle
  8. Primitive oxygen-isotope ratio recorded in magmatic zircon from the Mid-Atlantic Ridge
  9. Determination of the potential for extrinsic color development in natural colorless quartz
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  11. Phase behavior of protoenstatite at high pressure studied by atomistic simulations
  12. Metasomatic replacement of inherited metamorphic monazite in a biotite-garnet granite from the Nízke Tatry Mountains, Western Carpathians, Slovakia: Chemical dating and evidence for disequilibrium melting
  13. Shear viscosity and diffusion in liquid MgSiO3: Transport properties and implications for terrestrial planet magma oceans
  14. Polarized infrared spectroscopic study of diffusion of water molecules along structure channels in beryl
  15. The vibrational spectrum of lizardite-1T [Mg3Si2O5(OH)4] at the Γ point: A contribution from an ab initio periodic B3LYP calculation
  16. Origins of Mount St. Helens cataclasites: Experimental insights
  17. The crystal structure and hydrogen bonding of synthetic konyaite, Na2Mg(SO4)2·5H2O
  18. Joëlbruggerite, Pb3Zn3(Sb5+,Te6+)As2O13(OH,O), the Sb5+ analog of dugganite, from the Black Pine mine, Montana
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  20. Sequential extraction and DXRD applicability to poorly crystalline Fe- and Al-phase characterization from an acid mine water passive remediation system
  21. Thermoelasticity of ε-FeSi to 8 GPa and 1273 K
  22. Demicheleite-(Cl), BiSCl, a new mineral from La Fossa crater, Vulcano, Aeolian Islands, Italy
  23. Biomineralization associated with microbial reduction of Fe3+ and oxidation of Fe2+ in solid minerals
  24. Evidence for residual elastic strain in deformed natural quartz
  25. Mineralogy of mine waste at the Vermont Asbestos Group mine, Belvidere Mountain, Vermont
  26. Structural parameters of chromite included in diamond and kimberlites from Siberia: A new tool for discriminating ultramafic source
  27. Structure determination of the 2.5 hydrate MgSO4 phase by simulated annealing
https://doi.org/10.2138/am.2009.3165
Keywords for this article
Siberia; diamond; chromite; crystal chemistry

Articles in the same Issue

  1. 27Al NMR spectroscopy at multiple magnetic fields and ab initio quantum modeling for kaolinite
  2. The effect of oxygen fugacity on the olivine to wadsleyite transformation: Implications for remote sensing of mantle redox state at the 410 km seismic discontinuity
  3. Spectroscopic characteristics of synthetic olivine: An integrated multi-wavelength and multi-technique approach
  4. Effects of hydration on thermal expansion of forsterite, wadsleyite, and ringwoodite at ambient pressure
  5. Forsterite, hydrous and anhydrous wadsleyite and ringwoodite (Mg2SiO4): 29Si NMR results for chemical shift anisotropy, spin-lattice relaxation, and mechanism of hydration
  6. Structural transitions and electron transfer in coffinite, USiO4, at high pressure
  7. Fe-Mg partitioning between perovskite and ferropericlase in the lower mantle
  8. Primitive oxygen-isotope ratio recorded in magmatic zircon from the Mid-Atlantic Ridge
  9. Determination of the potential for extrinsic color development in natural colorless quartz
  10. X-ray diffraction and Raman spectroscopic study of clinopyroxenes with six-coordinated Si in the Na(Mg0.5Si0.5)Si2O6-NaAlSi2O6 system
  11. Phase behavior of protoenstatite at high pressure studied by atomistic simulations
  12. Metasomatic replacement of inherited metamorphic monazite in a biotite-garnet granite from the Nízke Tatry Mountains, Western Carpathians, Slovakia: Chemical dating and evidence for disequilibrium melting
  13. Shear viscosity and diffusion in liquid MgSiO3: Transport properties and implications for terrestrial planet magma oceans
  14. Polarized infrared spectroscopic study of diffusion of water molecules along structure channels in beryl
  15. The vibrational spectrum of lizardite-1T [Mg3Si2O5(OH)4] at the Γ point: A contribution from an ab initio periodic B3LYP calculation
  16. Origins of Mount St. Helens cataclasites: Experimental insights
  17. The crystal structure and hydrogen bonding of synthetic konyaite, Na2Mg(SO4)2·5H2O
  18. Joëlbruggerite, Pb3Zn3(Sb5+,Te6+)As2O13(OH,O), the Sb5+ analog of dugganite, from the Black Pine mine, Montana
  19. Cathodoluminescence characterization of tridymite and cristobalite: Effects of electron irradiation and sample temperature
  20. Sequential extraction and DXRD applicability to poorly crystalline Fe- and Al-phase characterization from an acid mine water passive remediation system
  21. Thermoelasticity of ε-FeSi to 8 GPa and 1273 K
  22. Demicheleite-(Cl), BiSCl, a new mineral from La Fossa crater, Vulcano, Aeolian Islands, Italy
  23. Biomineralization associated with microbial reduction of Fe3+ and oxidation of Fe2+ in solid minerals
  24. Evidence for residual elastic strain in deformed natural quartz
  25. Mineralogy of mine waste at the Vermont Asbestos Group mine, Belvidere Mountain, Vermont
  26. Structural parameters of chromite included in diamond and kimberlites from Siberia: A new tool for discriminating ultramafic source
  27. Structure determination of the 2.5 hydrate MgSO4 phase by simulated annealing
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