Structural and Magnetic Phase Transitions in Minerals |
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Page 54
Pigeonite stability relative to augite + opx assemblages gives minimum temperatures . Augite compositions also yield minimum temperatures for stability , relative to augite plus pigeonite and / or opx assemblages .
Pigeonite stability relative to augite + opx assemblages gives minimum temperatures . Augite compositions also yield minimum temperatures for stability , relative to augite plus pigeonite and / or opx assemblages .
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Mineralogical Society of America , Washington , D.C. Brown , G.E. , Prewitt , C.T. , Papike , J.J. , and Sueno , S. ( 1972 ) A comparison of the structures of low and high pigeonite . J Geophys . Res . 77 , 5778-5789 .
Mineralogical Society of America , Washington , D.C. Brown , G.E. , Prewitt , C.T. , Papike , J.J. , and Sueno , S. ( 1972 ) A comparison of the structures of low and high pigeonite . J Geophys . Res . 77 , 5778-5789 .
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Schweitzer , E. ( 1982 ) The reaction pigeonite = diopsidegs + enstatitess at 15 kbar . Am . Mineral . 67 , 54-58 . Sykes , J. , and Molin , G.M. ( 1986 ) Structural variations in orthopyroxenes , in Proc .
Schweitzer , E. ( 1982 ) The reaction pigeonite = diopsidegs + enstatitess at 15 kbar . Am . Mineral . 67 , 54-58 . Sykes , J. , and Molin , G.M. ( 1986 ) Structural variations in orthopyroxenes , in Proc .
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Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
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Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Limited preview - 2012 |
Common terms and phrases
antiferromagnetic appears applied approximation atoms axis Ballet behavior bond calculated cation Chem chemical cluster Coey components composition constant corresponding coupling critical crystal decreases density dependence described determined diffraction direction disordered Dolino effect electron energy equilibrium estimated et al exchange experimental experiments Fe2+ ferromagnetic field function Ghose give given heat ilvaite inc phase increases indicate interactions ions iron lattice layers Lindsley lower mantle magnetic magnetic order materials measurements Mineral mode Mössbauer natural neutron observed obtained occur octahedral olivines order parameter pairs perovskite phase diagrams phase transition Phys physical pigeonite polytypes positions possible potential predicted pressure properties pyroxenes quartz range respectively Salje sample shown shows silicates solid solution space group spin stability structure symmetry Table temperature theory thermodynamic tion transformation unit variation