Vibrational spectra of magnesite (MgCO3) and calcite-III at high pressures

Raman spectra of magnesite (MgCO3) and IR spectra of the highest P metastable phase of calcite (designated calcite-III) are presented to P of 34 and 32 GPa, respectively.

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Bibliographic Details
Published in:The American mineralogist 1992-12, Vol.77 (11-12), p.1158-1165
Main Authors: Williams, Quentin, Collerson, Benjamin, Knittle, Elise
Format: Article
Language:English
Subjects:
Calcite
carbonates
Chemistry
crystal structure
experimental studies
Geophysics
Gruneisen parameters
high pressure
magnesite
mineral properties
Mineralogy
Minerals
nonsilicates
phase equilibria
pressure
Raman spectra
spectra
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Description
Summary:Raman spectra of magnesite (MgCO3) and IR spectra of the highest P metastable phase of calcite (designated calcite-III) are presented to P of 34 and 32 GPa, respectively.
ISSN:0003-004X
1945-3027