Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
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Name: Pyrophyllite RRUFF ID: R050108 Ideal Chemistry: Al2Si4O10(OH)2 Locality: Graves Mountain, Lincoln County, Georgia, USA Source: Rock Currier Owner: RRUFF Description: Lamellar radial aggregates Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
| Mineral Groups: [ Clay (86) ] [ Pyrophyllite (4) ] | ||
| Quick search: [ All Pyrophyllite samples (4) ] | ||
| CHEMISTRY | ||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
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| POWDER DIFFRACTION | ||||||||
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| RRUFF ID: | R050108.1 | |||||||
| Sample Description: | Powder | |||||||
| Cell Refinement Output: |
a: 5.1636(1)Å b: 8.9606(5)Å c: 9.3554(1)Å alpha: 90.962(7)° beta: 100.477(5)° gamma: 89.52(2)° Volume: 425.58(3)Å3 Crystal System: triclinic |
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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) Chloritoidparagonitepyrophyllite 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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