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The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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Name: Nacrite RRUFF ID: R100066 Ideal Chemistry: Al2Si2O5(OH)4 Locality: Geisberg, Schweighausen, Black Forest, Germany Source: Bob Jenkins [view label] Owner: RRUFF Description: Stacks of parallel pseudohexagonal white plates Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Groups: [ Clay (86) ] [ Kaolinite (7) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R100066.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 8.906(26)Å b: 5.150(14)Å c: 14.618(66)Å alpha: 90° beta: 100.71(8)° gamma: 90° Volume: 659.2(7)Å3 Crystal System: monoclinic |
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REFERENCES for Nacrite | |
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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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Brongniart A (1807) Nacrite, in Traité Élémentaire de Minéralogie De L'imprimerie de Crapelet Paris 505-506 [view file] |
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Ross C S, Kerr P F (1930) Dickite, a kaolin mineral, American Mineralogist, 15, 34-39 [view file] |
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Mackenzie R C (1955) Mineralogical Society (London), American Mineralogist, 40, 773-780 [view file] |
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Zvyagin B B, Soboleva S V, Fedotov A F (1972) Refinement of the structure of nacrite by high-voltage electron diffraction, Soviet Physics - Crystallography, 17, 448-452 [view file] |
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Zheng H, Bailey S W (1994) Refinement of the nacrite structure, Clays and Clay Minerals, 42, 46-52 |
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Zhukhlistov A P (2008) Crystal structure of nacrite from the electron diffraction data, Crystallography Reports, 53, issue 1 76-82 |
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