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Name: Corundum RRUFF ID: R110099 Ideal Chemistry: Al2O3 Locality: Synthetic Source: Gemological Institute of America 10-12-2010-4 [view label] Owner: RRUFF Description: A cut, colorless (2.6ct) sapphire gemstone, grown by flame fusion. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Mineral Group: [ Corundum (38) ] | ||
Quick search: [ All Corundum samples (22) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R110099.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 4.750(3)Å b: 4.750(3)Å c: 12.95(1)Å alpha: 90° beta: 90° gamma: 120° Volume: 253.16(6)Å3 Crystal System: hexagonal |
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REFERENCES for Corundum | |
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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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Gesner C (1565) Gemmis, quae erant in veste Aaronis, Liber Graecus, & e regione Latinus, Iola Hierotarantino interprete: cum Corollario Conradi Gesneri, in Sancti Patris Epiphanii Episcopi Cypri ad Diodorum Tyri episcopum, De XII 1-29 [view file] |
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Pauling L, Hendricks S B (1925) The crystal structures of hematite and corundum, Journal of the American Chemical Society, 47, 781-790 [view file] |
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Zachariasen W H (1928) Untersuchungen über die Kristallstruktur von Sesquioxyden und Verbindungen ABO3, Skrifter Utgitt av Det Norske Videnskaps-Akademi i Oslo, 1, 1-165 [view file] |
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Hutton C O (1950) Studies of heavy detrital minerals, Bulletin of the Geological Society of America, 61, 635-710 [view file] |
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Newnham R E, de Haan Y M (1962) Refinement of the α Al2O3, Ti2O3, V2O3 and Cr2O3 structures, Zeitschrift für Kristallographie, 117, 235-237 [view file] |
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Hayek E, Inama P, Schatz B (1963) Mischkristallbildung von As2O3 und Sb2O3, Monatshefte für Chemie, 94, 366-372 |
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Moss S C, Newnham R E (1964) The chromium position in ruby, Zeitschrift für Kristallographie, 120, 359-363 [view file] |
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Yates B, Cooper R F, Pojur A F (1972) Thermal expansion at elevated temperatures: II. Aluminium oxide: experimental data between 100 and 800 K and their analysis, Journal of Physics C: Solid State Physics, 5, 1046-1058 |
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Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar, Journal of Applied Physics, 49, 5823-5826 |
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Ishizawa N, Miyata T, Minato I, Marumo F, Iwai S I (1980) A structural investigation of α-Al2O3 at 2170 K, Acta Crystallographica, B36, 228-230 |
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Lewis J, Schwarzenbach D (1982) Electric field gradients and charge density in corundum α-Al2O3, Acta Crystallographica, A38, 733-739 |
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Kirfel A, Eichhorn K (1990) Accurate structure analysis with synchrotron radiation. The electron density in Al2O3 and Cu2O, Acta Crystallographica, A46, 271-284 |
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Boettger J C (1997) High-precision, all-electron, full-potential calculation of the equation of state and elastic constants of corundum, Physical Review B, 55, 750-756 |
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Catti M, Pavese A (1998) Equation of state of α-Al2O3 (corundum) from quasi-harmonic atomistic simulations, Acta Crystallographica, B54, 741-749 |
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Bucher K, de Capitani C, Grapes R (2005) The development of a margarite-corundum blackwall by metasomatic alteration of a slice of mica schist in ultramafic rock, Kvesjöen, Norwegian Caledonides, The Canadian Mineralogist, 43, 129-156 [view file] |
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Gao R, Li H, Zhao J (2015) Dependence of R fluorescence lines of rubies on Cr3+ concentration at various temperatures, with implications for pressure calibrations in experimental apparatus, American Mineralogist, 100, 1554-1561 |
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Sutherland F L, Coenraads R R, Abduriyim A, Meffre S, Hoskin P W O, Giuliani G, Beattie R, Wuhrer R, Sutherland G B (2015) Corundum (sapphire) and zircon relationships, Lava Plains gem fields, NE Australia: integrated mineralogy, geochemistry, age determination, genesis and geographical typing, Mineralogical Magazine, 79, 545-581 |
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Sorokina E S, Hofmeister W, Häger T, Mertz-Kraus R, Buhre S, Saul J M (2016) Morphological and chemical evolution of corundum (ruby and sapphire): Crystal ontogeny reconstructed by EMPA, LA-ICP-MS, and Cr3+ Raman mapping, American Mineralogist, 101, 2716-2722 |
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Wong J, Verdel C, Allen C M (2017) Trace-element compositions of sapphire and ruby from the eastern Australian gemstone belt, Mineralogical Magazine, 81, 1551-1576 |
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Palke A C, Wong J, Verdel C, Ávila J N (2018) A common origin for Thai/Cambodian rubies and blue and violet sapphires from Yogo Gulch, Montana, U.S.A.?, American Mineralogist, 103, 469-479 |
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Balan E (2020) Theoretical infrared spectra of OH defects in corundum (α-Al2O3), European Journal of Mineralogy, 32, 457-467 [view file] |
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Hazen R M, Morrison S M (2020) An evolutionary system of mineralogy. Part I: Stellar mineralogy (>13 to 4.6 Ga), American Mineralogist, 105, 627-651 [view file] |
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Karmakar S, Mukherjee S, Dutta U (2020) Origin of corundum within anorthite megacrysts from anorthositic amphibolites, Granulite Terrane, Southern India, American Mineralogist, 105, 1161-1174 |
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