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Name: Roméite RRUFF ID: R060323 Ideal Chemistry: (Ca,Fe2+,Mn2+,Na)2(Sb5+,Ti4+)2O6(O,OH,F) Locality: Praborna mine, Aosta Valley, St. Marcel, Italy Source: Michael Scott S100161 [view label] Owner: RRUFF Description: Yellowish-brown octahedra, associated with red piemontite, R060905. Note that this is a fluorine rich phase. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ pyrochlore (28) ] | ||
Quick search: [ All Roméite 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: | R060323.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.273(2)Å b: 10.273(2)Å c: 10.273(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 1084.1(1)Å3 Crystal System: cubic |
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REFERENCES for Roméite | |
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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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Damour A A (1841) Sur la roméine, nouvelle espèce minérale, de Saint-Marcel en Piémont, Annales des Mines, 20, 247-254 [view file] |
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Zedlitz O (1932) Die kristallstruktur von romeit und schneebergit, Zeitschrift für Kristallographie, 81, 253-263 [view file] |
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Natta G, Baccaredda M (1933) Tetrossido di antimonio e antimoniati, Zeitschrift für Kristallographie, 85, 271-296 [view file] |
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Aia M A, Mooney R W, Hoffman C W W (1963) An x-ray study of pyrochlore fluoantimonates of calcium, cadmium, and manganese, Journal of the Electrochemical Society, 110, 1048-1054 |
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Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541 |
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Brugger J, Gieré R, Graeser S, Melsser N (1997) The crystal chemistry of roméite, Contributions to Mineralogy and Petrology, 127, 136-146 |
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Atencio D, Andrade M B, Christy A G, Gieré R, Kartashov P M (2010) The pyrochlore supergroup of minerals: nomenclature, The Canadian Mineralogist, 48, 673-698 [view file] |
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Atencio D, Ciriotti M E, Andrade M B (2013) Fluorcalcioroméite, (Ca,Na)2Sb25+(O,OH)6F, a new roméite-group mineral from Starlera mine, Ferrera, Grischun, Switzerland: description and crystal structure, Mineralogical Magazine, 77, 467-473 [view file] |
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Christy A G, Atencio D (2013) Clarification of status of species in the pyrochlore supergroup, Mineralogical Magazine, 77, 13-20 [view file] |
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