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|   |   | Name: Lueshite RRUFF ID: R090025 Ideal Chemistry: NaNbO3 Locality: Lueshe carbonatite, Kivu Province, Democratic Republic of the Congo Source: Karl Russ [view label] Owner: RRUFF Description: Black cubes Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. | 
| Mineral Group: [ Perovskite (44) ] | ||
| 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: | R090025.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: | a: 7.797(1)Å    b: 7.797(1)Å    c: 7.797(1)Å alpha: 90.007(1)° beta: 90.007(1)° gamma: 90.007(1)° Volume: 474.1(2)Å3 Crystal System: rhombohedral | ||||||
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| REFERENCES for Lueshite | |
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| American Mineralogist Crystal Structure Database Record: [view record] | |
| 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] | |
| Vousden P (1951) The structure of ferroelectric sodium niobate at room temperature, Acta Crystallographica, 4, 545-551 | |
| Wood E A (1951) Polymorphism in potassium niobate, sodium niobate, and other ABO3 compounds, Acta Crystallographica, 4, 353-362 | |
| Safiannikoff A (1959) Un nouveau minéral de niobium, Académie Royal des Sciences d’Outre-Mer, Bulletin des Séances, 5, 1251-1255 | |
| Fleischer M (1961) New mineral names, American Mineralogist, 46, 1004-1004 [view file] | |
| Solov'ev S P, Venevtsev Y N, Zhdanov G S (1961) An X-ray study of phase transitions in NaNbO3, Soviet Physics - Crystallography, 6, 171-175 [view file] | |
| International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263 [view file] | |
| Sakowski-Cowley A C, Lukaszewicz K, Megaw H D (1969) The structure of sodium niobate at room temperature, and the problem of reliability in pseudosymmetric structures, Acta Crystallographica, B25, 851-865 | |
| Hewat A W (1974) Neutron powder profile refinement of ferroelectric and antiferroelectric crystal structures: sodium niobate at 22ºC, Ferroelectrics, 7, 83-85 [view file] | |
| Seidel P, Hoffmann W (1976) Verfeinerung der kristallstruktur von NaNbO3. N. Bestimmung der absoluten konfiguration und des zwillingsgesetzes, Zeitschrift für Kristallographie, 143, 444-459 [view file] | |
| von der Mühll R, Sadel A, Hagenmuller P (1984) Structure cristalline à 295 K de la phase ferroelectrique Li0.02Na0.98NbO3, Journal of Solid State Chemistry, 51, 176-182 | |
| Xu H, Su Y, Balmer M L, Navrotsky A (2003) A new series of oxygen-deficient perovskites in the NaTixNb1-xO3-.05x system: synthesis, crystal chemistry, and energetics, Chemistry of Materials, 15, 1872-1878 | |
| Chizhova E A, Klyndyuk A I, Bashkirov L A, Petrov G S, Makhnach L V (2004) Structural features and dielectric properties of sodium niobate in niobate La, Nd, Neorganicheskie Materialy, 40, 1508-1514 | |
| Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G (2004) Structural and dielectric properties of solid solutions of sodium niobate in lanthanum and neodymium niobates, Inorganic Materials, 40, 1324-1330 | |
| Johnston K E, Tang C C, Parker J E, Knight K S, Lightfoot P, Ashbrook S E (2010) The polar phase of NaNbO3: a combined study by powder diffraction, solid-state NMR and first-principles calculations, Journal of the American Chemical Society, 132, 8732-8746 | |
| Johnston K E, Griffin J M, Walton R I, Dawson D M, Lightfoot P, Ashbrook S E (2011) 93Nb NMR and DFT investigation of the polymorphs of NaNbO3, Physical Chemistry Chemical Physics, 13, 7565-7576 | |
| Mitchell R H, Welch M D, Chakhmouradian A R (2017) Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition, Mineralogical Magazine, 81, 411-461 [view file] | |
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