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Name: Wermlandite RRUFF ID: R100052 Ideal Chemistry: Mg7Al2(OH)18[Ca(H2O)6](SO4)2·6H2O Locality: Langban, Filipstad, Varmland, Sweden Source: William W Pinch [view label] Owner: RRUFF Description: Pale greenish blue hexagonal plates Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Mineral Groups: [ Woodwardite (5) ] [ Hydrotalcite (22) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R100052.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 9.311(2)Å b: 9.311(2)Å c: 22.597(6)Å alpha: 90° beta: 90° gamma: 120° Volume: 1696.6(3)Å3 Crystal System: hexagonal |
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REFERENCES for Wermlandite | |
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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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Moore P B (1971) Wermlandite, a new mineral from Långban, Sweden, Lithos, 4, 213-217 |
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Fleischer M (1972) New mineral names, American Mineralogist, 57, 325-329 [view file] |
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Taylor H F W (1973) Crystal structures of some double hydroxide minerals, Mineralogical Magazine, 39, 377-389 [view file] |
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Rius J, Allmann R (1984) The superstructure of the double layer mineral wermlandite [Mg7 (Al0.57Fe3+0.43)(OH)18]2+ · [(Ca0.6,Mg0.4) (SO4)2(H2O)12]2-, Zeitschrift für Kristallographie, 168, 133-144 [view file] |
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Jambor J L, Puziewicz J, Roberts A C (1995) New mineral names, American Mineralogist, 80, 404-409 [view file] |
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Mills S J, Christy A G, Génin J -M R, Kameda T, Colombo F (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides, Mineralogical Magazine, 76, 1289-1336 [view file] |
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