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Name: Tridymite RRUFF ID: R040143 Ideal Chemistry: SiO2 Locality: Big Lue Mountain, Highway 78, Greenlee County, Arizona, USA Source: University of Arizona Mineral Museum 12643 [view label] Owner: RRUFF Description: Colorless thin hexagonal plates Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
| Quick search: [ All Tridymite samples (3) ] | ||
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| POWDER DIFFRACTION | |||||
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| RRUFF ID: | R040143.9 | ||||
| Sample Description: | Single crystal, powder profile is calculated | ||||
| Cell Refinement Output: |
a: 9.9222(4)Å b: 17.1967(8)Å c: 81.890(6)Å alpha: 89.992(5)° beta: 90.039(4)° gamma: 89.971(3)° Volume: 13973(1) Crystal System: triclinic |
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| REFERENCES for Tridymite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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vom Rath G (1868) Ueber den Tridymit, eine neue krystallisirte Modification der Kieselsäure, Annalen der Physik und Chemie, 135, 437-454 [view file] |
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Fleischer M (1954) New mineral names, American Mineralogist, 39, 402-408 [view file] |
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Friedlaender C G I (1970) Entaxy of tridymite in the gangue of a Pb-Cu-Zn occurrence, The Canadian Mineralogist, 10, 704-709 [view file] |
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Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415 [view file] |
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Konnert J H, Appleman D E (1978) The crystal structure of low tridymite, Acta Crystallographica, B34, 391-403 |
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Graetsch H, Topalovic-Dierdorf I (1996) 29Si MAS NMR spectrum and superstructure of modulated tridymite L3-To(MX-1), European Journal of Mineralogy, 8, 103-113 |
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Graetsch H (2001) X-ray powder diffraction study on the modulated high temperature forms of SiO2 tridymite between 110 and 220 C, Physics and Chemistry of Minerals, 28, 313-321 |
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Hirose T, Kihara K, Okuno M, Fujinami S, Shinoda K (2005) X-ray, DTA and Raman studies of monoclinic tridymite and its higher temperature orthorhombic modification with varying temperature, Journal of Mineralogical and Petrological Sciences, 100, 55-69 [view file] |
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Kihara K, Hirose T, Shinoda K (2005) Raman spectra, normal modes and disorder in monoclinic tridymite and its higher temperature orthorhombic modification, Journal of Mineralogical and Petrological Sciences, 100, 91-103 [view file] |
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