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Name: Dickinsonite-(KMnNa) RRUFF ID: R160071 Ideal Chemistry: K(NaMn)CaNa3AlMn13(PO4)12(OH)2 Locality: Nancy Pegmatite, Chacabuco Dept, San Luis, Argentina Source: Thomas A. Loomis [view label] Owner: RRUFF Description: Dark green massive, associated with dark brown bobfergusonite (R160069) Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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Mineral Group: [ arrojadite (6) ] | ||
Quick search: [ All Dickinsonite-(KMnNa) 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: | R160071.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 16.6252(8)Å b: 10.0385(6)Å c: 24.8021(15)Å alpha: 90° beta: 105.4718(35)° gamma: 90° Volume: 3989.28(51)Å3 Crystal System: monoclinic |
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REFERENCES for Dickinsonite-(KMnNa) | |
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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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Brush G J, Dana E S (1878) On a new and remarkable mineral locality in Fairfield County, Connecticut; with a description of several new species occurring there. First Paper., American Journal of Science and Arts, 116, 33-46; 114-123 [view file] |
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Brush G J, Dana E S, Wells H L (1890) On the mineral locality at Branchville, Connecticut: Fifth paper, American Journal of Science, 39, 201-216 [view file] |
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Moore P B, Araki T, Merlino S, Mellini M, Zanazzi P F (1981) The arrojadite-dickinson series, KNa4Ca(Fe,Mn)2+14Al(OH)2(PO4)12: crystal structure and crystal chemistry, American Mineralogist, 66, 1034-1049 [view file] |
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Cámara F, Oberti R, Chopin C, Medenbach O (2006) The arrojadite enigma: I. A new formula and a new model for the arrojadite structure, American Mineralogist, 91, 1249-1259 [view file] |
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Chopin C, Oberti R, Camara F (2006) The arrojadite enigma: II. Compositional space, new members, and nomenclature of the group, American Mineralogist, 91, 1260-1270 [view file] |
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