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Name: Pyrophyllite RRUFF ID: R050051 Ideal Chemistry: Al2Si4O10(OH)2 Locality: Cottonstone Mountain, Mecklenburg County, North Carolina, USA Source: University of Arizona Mineral Museum 13207 [view label] Owner: RRUFF Description: Radiating lamellar aggregates Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| Mineral Groups: [ Clay (86) ] [ Pyrophyllite (4) ] | ||
| Quick search: [ All Pyrophyllite samples (4) ] | ||
| CHEMISTRY | ||||||||
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| INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
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| POWDER DIFFRACTION | ||||||||
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| RRUFF ID: | R050051.1 | |||||||
| Sample Description: | Powder | |||||||
| Cell Refinement Output: |
a: 4.9815(4)Å b: 8.8219(4)Å c: 18.4808(4)Å alpha: 90° beta: 95.83(1)° gamma: 90° Volume: 807.95(9)Å3 Crystal System: monoclinic |
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| REFERENCES for Pyrophyllite | |
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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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Hermann R (1829) Zerlegung des Pyrophyllits, eines neuen Minerals, Annalen der Physik und Chemie, 15, 592-592 [view file] |
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Gruner J W (1934) The crystal structures of talc and pyrophyllite, Zeitschrift für Kristallographie, 88, 412-419 [view file] |
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Church W R (1967) Abstract of paper presented at the twelfth annual meeting: The occurrence of kyanite, andalusite, pyrophyllite and kaolinite in lower Proterozoic (Huronian) rocks of Ontario, The Canadian Mineralogist, 9, 287-287 [view file] |
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Brindley G W, Wardle R (1970) Monoclinic and triclinic forms of pyrophyllite and pyrophyllite anhydride, American Mineralogist, 55, 1259-1272 [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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Holdaway M J (1981) Errata, American Mineralogist, 66, 1281-1281 [view file] |
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Lee J H, Guggenheim S (1981) Single crystal X-ray refinement of pyrophyllite-1Tc, American Mineralogist, 66, 350-357 [view file] |
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Papike J J (1988) Chemistry of the rock-forming silicates: Multiple-chain, sheet, and framework structures, Reviews of Geophysics, 26, 407-444 [view file] |
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Ghent E D, Stout M Z, Ferri F (1989) Chloritoid–paragonite–pyrophyllite and stilpnomelane-bearing rocks near Blackwater Mountain, western Rocky Mountains, British Columbia, The Canadian Mineralogist, 27, 59-66 [view file] |
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Nickel E H (1993) Standardization of polytype suffixes, Mineralogical Magazine, 57, 756-756 [view file] |
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Kogure T, Jige M, Kameda J, Yamagishi A, Miyawaki R, Kitagawa R (2006) Stacking structures in pyrophyllite revealed by high-resolution transmission electron microscopy (HRTEM), American Mineralogist, 91, 1293-1299 [view file] |
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Zhang M, Salje E K H, Carpenter M A, Wang J Y, Groat L A, Lager G A, Wang L, Beran A, Bismayer U (2007) Temperature dependence of IR absorption of hydrous/hydroxyl species in minerals and synthetic materials, American Mineralogist, 92, 1502-1517 [view file] |
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Drits V A, Guggenheim S, Zviagina B B, Kogure T (2012) Structures of the 2:1 layers of pyrophyllite and talc, Clays and Clay Minerals, 60, 574-587 [view file] |
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Sakuma H, Kawai K, Kogure T (2020) Interlayer energy of pyrophyllite: Implications for macroscopic friction, American Mineralogist, 105, 1204-1211 |
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