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Roméite is a calcium antimonate mineral with the formula (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F). Roméite is a honey-yellow mineral crystallizing in the hexoctahedral crystal system. It has a Mohs hardness of 5.5-6.0. It occurs in Algeria, Australia, Brazil, China, Europe, Japan, New Zealand, and the United States of America in metamorphic iron-manganese deposits and in hydrothermal antimony-bearing veins. Its type locality is Prabornaz Mine, Saint-Marcel, Aosta Valley, Italy. It was named after Jean-Baptiste L. Romé de l'Isle. Brugger, et al. (1997) used infrared spectroscopy to measure water content in Roméite crystals. ==References== *Brugger, J., R. Gieré, Stefan Graeser, Nicolas Meisser, The crystal chemistry of roméite, Contributions to Mineralogy and Petrology, Volume 127, Numbers 1-2 / March, 1997, pp. 136–146 *Dana, James Dwight (1853) Manual of Mineralogy: Including Observations on Mines, Rocks, Reduction of Ores and the Application of the Science to the Arts, Durrie and Peck (5th edition), p. 303 *romeine. (n.d.). Webster's Revised Unabridged Dictionary. Retrieved March 24, 2008, from Dictionary.com website: http://dictionary.reference.com/browse/romeine *(Webmineral data ) *(Mindat with location data ) *Atencio, D., Andrade, M. B., Christy, A. G., Gieré, R., & Kartashov, P. M. (2010). The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist, 48(3), 673-698.(doi: 10.3749/canmin.48.3.673 ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Romeite」の詳細全文を読む スポンサード リンク
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