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The Infrared Pleochroism of Lawsonite: The Orientation of the Water and Hydroxide Groups

Labotka, Theodore C. and Rossman, George R. (1974) The Infrared Pleochroism of Lawsonite: The Orientation of the Water and Hydroxide Groups. American Mineralogist, 59 (7-8). pp. 799-806. ISSN 0003-004X.

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Polarized infrared absorption spectra of thin single crystals of lawsonite, CaAI_2(OH)_2Si_2O_7H_2O_2, have been measured at room temperature and near 78 K. These data suggest a structural model in which the hydrogen atoms of both OH and H_2O lie in planes parallel to (001). The polanzat1on data demand that the order of the energies of the symmetric and antisymmetric stretch of the crystallographically ordered water in lawsonite be reversed from that of liquid water.

Item Type:Article
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URLURL TypeDescription
Rossman, George R.0000-0002-4571-6884
Additional Information:© 1974 Mineralogical Society of America. Manuscript received, December 26, 1973; accepted for publication, February 26, 1974.
Group:UNSPECIFIED, Division of Geological and Planetary Sciences
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Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences2360
Issue or Number:7-8
Record Number:CaltechAUTHORS:20130513-100200531
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Official Citation:The infrared pleochroism of lawsonite: The orientation of the water and hydroxide groups Theodore C. Labotka, and George R. Rossman 799-806
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38443
Deposited By: Ruth Sustaita
Deposited On:13 May 2013 17:17
Last Modified:03 Oct 2019 04:57

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