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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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