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Article

High-Pressure Raman and Infrared Spectroscopic Study of Prehnite

1
Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
2
Trinity Industries, Inc., Dallas, TX 752017, USA
3
Department of Physics, University of Illinois at Chicago, Chicago, IL 60607, USA
*
Author to whom correspondence should be addressed.
Minerals 2020, 10(4), 312; https://doi.org/10.3390/min10040312
Received: 20 January 2020 / Revised: 26 March 2020 / Accepted: 27 March 2020 / Published: 31 March 2020
(This article belongs to the Special Issue Mineral Physics—In Memory of Orson Anderson)
High-pressure Raman and infrared spectra of a natural sample of prehnite, with a chemical composition of Ca2(Al0.74,Fe0.26)2Si3O10(OH)2, are presented. Analyses of the spectra indicate that prehnite undergoes a reversible structural change between 6 and 8 GPa that is most likely associated with a subtle alteration in the orientation and/or deformation of the polyhedra comprising the framework of the structure. At pressures in excess of ~11 GPa, the high-pressure spectra indicate that prehnite undergoes a reversible phase transition involving the collapse of the framework structure. View Full-Text
Keywords: prehnite; infrared spectroscopy; Raman spectroscopy; high pressure; phase transition prehnite; infrared spectroscopy; Raman spectroscopy; high pressure; phase transition
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MDPI and ACS Style

Ross, N.L.; Detrie, T.A.; Liu, Z. High-Pressure Raman and Infrared Spectroscopic Study of Prehnite. Minerals 2020, 10, 312. https://doi.org/10.3390/min10040312

AMA Style

Ross NL, Detrie TA, Liu Z. High-Pressure Raman and Infrared Spectroscopic Study of Prehnite. Minerals. 2020; 10(4):312. https://doi.org/10.3390/min10040312

Chicago/Turabian Style

Ross, Nancy L., Theresa A. Detrie, and Zhenxian Liu. 2020. "High-Pressure Raman and Infrared Spectroscopic Study of Prehnite" Minerals 10, no. 4: 312. https://doi.org/10.3390/min10040312

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