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The Intensity of Amphibole OH Bands in the Infrared Absorption Spectrum

Skogby, Henrik and Rossman, George R. (1991) The Intensity of Amphibole OH Bands in the Infrared Absorption Spectrum. Physics and Chemistry of Minerals, 18 (1). pp. 64-68. ISSN 0342-1791. https://resolver.caltech.edu/CaltechAUTHORS:20130508-083601512

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Abstract

Polarized IR spectra of single-crystals of amphiboles show that the molar absorptivity of the fundamental vibrational OH band is strongly wavenumber dependent, The intensity increases by a factor of 1 .6 from 3674 cm^(-1) (tremolite endmember; MgMgMg) to 3618 cm^(-1) (grunerite endmember; FeFeFe). Spectra obtained from Ca and Fe-Mg amphiboles consist of sharp, well-resolved bands on a well-defined background. The high intensity of the OH bands in Ca and Fe-Mg amphiboles makes it sometimes necessary to thin the samples to under 2 µm thickness, whereas alkali amphiboles can be measured at 25-50 µm thickness.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/BF00199045DOIUNSPECIFIED
http://link.springer.com/article/10.1007/BF00199045PublisherUNSPECIFIED
ORCID:
AuthorORCID
Rossman, George R.0000-0002-4571-6884
Additional Information:© 1991 Springer-Verlag. Received September 6, 1990; Accepted February 11, 1991. We thank W.A. Dollase (UCLA), C.B. Sclar (Lehigh University) and F.J. Wicks (Royal Ontario Museum) for providing samples. The study was supported by the National Science Foundation through grants EAR 8618200 and EAR8916064, the Knut and Alice Wallenberg Foundation through a postdoctoral fellowship to H.S., and the Swedish Natural Science Research Council.
Funders:
Funding AgencyGrant Number
NSFEAR 8618200
NSFEAR8916064
Knut and Alice Wallenberg FoundationUNSPECIFIED
Swedish Natural Science Research CouncilUNSPECIFIED
Issue or Number:1
Record Number:CaltechAUTHORS:20130508-083601512
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130508-083601512
Official Citation:Skogby, H. and G. Rossman (1991). "The intensity of amphibole OH bands in the infrared absorption spectrum." Physics and Chemistry of Minerals 18(1): 64-68.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38342
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 May 2013 22:23
Last Modified:03 Oct 2019 04:56

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