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Name: Ammonioalunite RRUFF ID: R060873 Ideal Chemistry: (NH4)Al3(SO4)2(OH)6 Locality: Schöller mine, Kladno, Central Bohemia Region, Bohemia, Czech Republic Source: Michael Scott S101298 [view label] Owner: RRUFF Description: Tan colored fine-grained consolidated fragments Status: The identification of this mineral has been made only by X-ray diffraction. |
Mineral Groups: [ alunite (46) ] [ Alunite (20) ] |
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: | R060873.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 7.012(2)Å b: 7.012(2)Å c: 17.826(5)Å alpha: 90° beta: 90° gamma: 120° Volume: 759.0(4)Å3 Crystal System: hexagonal |
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REFERENCES for Ammonioalunite | |
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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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Altaner S P, Fitzpatrick J J, Krohn M D, Bethke P M, Hayba D O, Goss J A, Brown Z A (1988) Ammonium in alunites, American Mineralogist, 73, 145-152 [view file] |
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Jambor J L (1999) Nomenclature of the alunite supergroup, The Canadian Mineralogist, 37, 1323-1341 [view file] |
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Bayliss P, Kolitsch U, Nickel E H, Pring A (2010) Alunite supergroup: recommended nomenclature, Mineralogical Magazine, 74, 919-927 [view file] |
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