Abstract
An in situ high pressure X-ray diffraction study on synthetic pure ilvaite powder has been performed using a diamond anvil cell. A phase transition from monoclinic to orthorhombic (Pbnm) has been observed at 2.25 Gpa, which can be described as a λ-transition.
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Ghazi-Bayat, B., Amthauer, G. & Ahsbahs, H. High pressure X-ray diffraction study of ilvaite CaFe 2+2 Fe3+[Si2O7/O/(OH)]. Phys Chem Minerals 20, 402–406 (1993). https://doi.org/10.1007/BF00203109
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DOI: https://doi.org/10.1007/BF00203109