O'Neill, Bridget and Bass, Jay D. and Rossman, George R. and Geiger, Charles A. and Langer, Klaus (1991) Elastic Properties of Pyrope. Physics and Chemistry of Minerals, 17 (7). pp. 617-621. ISSN 0342-1791. doi:10.1007/BF00203841. https://resolver.caltech.edu/CaltechAUTHORS:20130801-075059637
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Abstract
Brillouin spectroscopy was used to measure the single crystal elastic properties of a pure synthetic pyrope and a natural garnet containing 89.9 mol% of the pyrope end member (Mg_3Al_2Si_3O_(12)). The elastic moduli, c_(ij) , of the two samples are entirely consistent and agree with previous estimates of the elastic properties of pyrope based upon the moduli of solid solutions. Our results indicate that the elastic moduli of pyrope end-member are c_(11)=296.2±0.5, c_(12)=111.1±0.6, c_(44)=91.6±0.3, K_s=172.8±0.3, μ=92.0±0.2, all in units of GPa. These results differ by several percent from those reported previously for synthetic pyrope, but are based upon a much larger data set. Although the hydrous components of the two samples from the present study are substantially different, representing both ‘dry’ and ‘saturated’ samples, we find no discernable effect of structurally bound water on the elastic properties. This is due to the small absolute solubility of water in pyrope, as compared with other garnets such as grossular.
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| Additional Information: | © 1991 Springer-Verlag. Received May 6, 1990. Three of the authors (J.D.B., B.O'N. and G.R.R.) were supported in this research by the National Science Foundation. Additionally, B. O'N. gratefully acknowledges the support of the NSF Research Experiences for Undergraduates program. | |||||||||
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| Issue or Number: | 7 | |||||||||
| DOI: | 10.1007/BF00203841 | |||||||||
| Record Number: | CaltechAUTHORS:20130801-075059637 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130801-075059637 | |||||||||
| Official Citation: | Elastic properties of pyrope Bridget O'Neill, Jay D. Bass, George R. Rossman… pages 617-621 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 39692 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 01 Aug 2013 15:06 | |||||||||
| Last Modified: | 09 Nov 2021 23:46 |
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