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![Plots of <span class="search-highlight">groutellite</span> (diamonds) and ramsdellite (squares) unit-cell paramet...]()
![Final observed (crosses), calculated (solid line), and difference (lower) p...]()
![Polyhedral representations of the groutite ( Kohler et al. 1997 ), ramdsell...]()
![Synchrotron XRD patterns for <span class="search-highlight">groutellite</span>/ramsdellite sample vs. temperature...]()
![Powder X-ray diffraction pattern of sample from Lake Valley, New Mexico, sh...]()
![Temperature-resolved infrared spectra for a ramsdellite/<span class="search-highlight">groutellite</span> sample ...]()
![Plot of the observed intensities (peak heights, relative to the strongest M...]()
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1-10 OF 10 RESULTS FOR
groutellite
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Journal Article
Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2004
American Mineralogist (2004) 89 (7): 969–975.
... structure for “groutellite,” a heretofore poorly characterized phase with ideal formula \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \((Mn_{0.5}^{4{+}}Mn_{0.5}^{3{+}})\) \end{document} O 1.5 (OH...
FIGURES
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Image
Plots of groutellite (diamonds) and ramsdellite (squares) unit-cell paramet...
in Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
> American Mineralogist
Published: 01 July 2004
F igure 7. Plots of groutellite (diamonds) and ramsdellite (squares) unit-cell parameters and wt% groutellite vs. temperature (K).
Image
Final observed (crosses), calculated (solid line), and difference (lower) p...
in Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
> American Mineralogist
Published: 01 July 2004
F igure 3. Final observed (crosses), calculated (solid line), and difference (lower) powder diffraction patterns for the Rietveld refinement of ( a ) ramsdellite and groutellite using powder neutron diffraction data, and ( b ) groutellite and ramsdellite using synchrotron X-ray diffraction data.
Image
Polyhedral representations of the groutite ( Kohler et al. 1997 ), ramdsell...
in Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
> American Mineralogist
Published: 01 July 2004
F igure 4. Polyhedral representations of the groutite ( Kohler et al. 1997 ), ramdsellite, and groutellite structures.
Image
Synchrotron XRD patterns for groutellite/ramsdellite sample vs. temperature...
in Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
> American Mineralogist
Published: 01 July 2004
F igure 6. Synchrotron XRD patterns for groutellite/ramsdellite sample vs. temperature, 298 to 720 K.
Image
Powder X-ray diffraction pattern of sample from Lake Valley, New Mexico, sh...
in Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
> American Mineralogist
Published: 01 July 2004
F igure 2. Powder X-ray diffraction pattern of sample from Lake Valley, New Mexico, showing the presence of ramsdellite and groutellite.
Image
Temperature-resolved infrared spectra for a ramsdellite/groutellite sample ...
in Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
> American Mineralogist
Published: 01 July 2004
F igure 8. Temperature-resolved infrared spectra for a ramsdellite/groutellite sample from Lake Valley heated from 298 to 573 K.
Image
Plot of the observed intensities (peak heights, relative to the strongest M...
in Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”
> American Mineralogist
Published: 01 July 2004
F igure 5. Plot of the observed intensities (peak heights, relative to the strongest Mn-O stretch band) of the infrared spectra OH-stretch absorption line vs. groutellite weight percent, as determined by Rietveld refinements.
Journal Article
A Short Outline of the Tunnel Oxides
Publisher: Mineralogical Society of America
Published: 01 January 2005
Reviews in Mineralogy and Geochemistry (2005) 57 (1): 291–305.
... cell parameters, intermediate between those of ramsdellite and groutite. The intermediate phase, called “groutellite,” has a longer <Mn–O> distance and increased Jahn-Teller distortion than pure ramsdellite, indicating a partial substitution of Mn 4+ by Mn 3+ . The crystal structure...
FIGURES
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Journal Article
A MASS DISCREDITATION OF GQN MINERALS
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 December 2006
The Canadian Mineralogist (2006) 44 (6): 1557–1560.
... . 37 1999, 92. Glaserite = aphthitalite : Clark (1993) , 261. Groutellite = pseudomorph of ramsdellite after groutite: Am. Mineral . 89 2004, 969–975. Grovesite = pennantite : Am. Mineral . 59 1974, 1153–1156. Arsenosulvanite = colusite : Am. Mineral . 79 1994, 750...
