Important Update News
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: Eudidymite RRUFF ID: R060383 Ideal Chemistry: Na2Be2Si6O15·H2O Locality: Mount Malosa, Zomba District, Malawi Source: Herb Obodda 046 [view label] Owner: RRUFF Description: Colorless to tan micaceous book Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
Quick search: [ All Eudidymite samples (2) ] |
CHEMISTRY | ||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R060383.1 | ||||||
Sample Description: | Powder | ||||||
Cell Refinement Output: |
a: 12.617(2)Å b: 7.3775(9)Å c: 13.986(1)Å alpha: 90.° beta: 103.708(9)° gamma: 90.° Volume: 1264.8(2)Å3 Crystal System: monoclinic |
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REFERENCES for Eudidymite | |
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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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Brøgger W C (1887) Om eudidymit, et nyt norsk mineral, Nyt Magazin for Naturvidenskabena, Kristiana, 31, 196-199 [view file] |
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Brøgger W C (1890) Die mineralien der syenitpegmatitgänge der südnorwegischen augit- und nephelinsyenite. 64. Eudidymit, Zeitschrift für Kristallographie, 16, 586-597 [view file] |
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Nickel E H (1963) Eudidymite from Seal Lake, Labrador, Newfoundland, The Canadian Mineralogist, 7, 643-649 [view file] |
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Fang J H, Robinson P D, Ohya Y (1972) Redetermination of the crystal structure of eudidymite and its dimorphic relationship to epididymite, American Mineralogist, 57, 1345-1354 [view file] |
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Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970 [view file] |
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Gatta G D, Rotiroti N, McIntyre G J, Guastoni A, Nestola F (2008) New insights into the crystal chemistry of epididymite and eudidymite from Malosa, Malawi: A single-crystal neutron diffraction study, American Mineralogist, 93, 1158-1165 [view file] |
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