Spinel R050259

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Record 2 of 12  

Name: Spinel
RRUFF ID: R050259
Ideal Chemistry: MgAl2O4
Locality: Mogok, Burma
Source: Marcus Origlieri
Owner: RRUFF
Description: Purple cut gemstone
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Spinel (66) ]
Quick search: [ All Spinel samples (12) ]
CHEMISTRY 
RRUFF ID: R050259.2
Sample Description: Microprobe fragment
Measured Chemistry: (Mg0.99Zn0.01)(Al1.98Fe3+0.02)O4 ; trace amounts of Cr
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented and mounted on a pin.
Pin ID: L00851
Orientation: Laser parallel to  c*  (0 0 1).     Fiducial mark perpendicular to laser is parallel to  a   [1 0 0].
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Raman Mode Analysis
Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050259
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 1% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050259.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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RRUFF ID: R050259.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050259.1
Sample Description: Powder
Cell Refinement Output: a: 8.0889(2)Å    b: 8.0889(2)Å    c: 8.0889(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 529.26(4)Å3    Crystal System: cubic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Spinel

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]

de Boodt A B, Tollius A, de Laet I, Theophrasti (1647) De rubino spinello, in Gemmarum et Lapidum Historia Lugduni Batavorum, Ex Officina Ioannis Maire 151-151   [view file]

Rome de l´Isle J B L (1783) Genre VII. Cristaux-Gemmes. Espèce III. Rubis spinelle octaèdre, in Cristallographie, Volume 2, 2nd Edition De LĀ“Imprimerie de Monsieur Paris 224-230   [view file]

Klaproth M H (1797) Chemische Untersuchung des Spinells, Beiträge zur Chemischen Kenntniss der Mineralkörper, 2, 1-12   [view file]

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Wendschuh-Josties M, O'Neill H St C, Bente K, Brey G (1995) Lattice and oxygen parameters of ZnGa2O4 as a function of equilibration temperature, Neues Jahrbuch für Mineralogie, Monatshefte, 1995, 273-280

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Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]

Litvinenko A K (2003) Genetic position of precius spinel in magnesium skarns of the South-West Pamirs, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 132, issue 1 76-81   [view file]

Nakatsuka A, Ueno H, Nakayama N, Mizota T, Maekawa H (2004) Single-crystal X-ray diffraction study of cation distribution in MgAl2O4 - MgFe2O4 spinel solid solution, Physics and Chemistry of Minerals, 31, 278-287

Uchida H, Lavina B, Downs R T, Chesley J (2005) Single-crystal X-ray diffraction of spinels from the San Carlos Volcanic Field, Arizona: spinel as a geothermometer, American Mineralogist, 90, 1900-1908   [view file]

Martignago F, Andreozzi G B, Dal Negro A (2006) Thermodynamics and kinetics of cation ordering in natural and synthetic Mg(Al,Fe3+)2O4 spinels from in situ high-temperature X-ray diffraction, American Mineralogist, 91, 306-312   [view file]

Princivalle F, Martignago F, Dal Negro A (2006) Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels, American Mineralogist, 91, 313-318   [view file]

Bosi F, Hålenius U, Andreozzi G B, Skogby H, Lucchesi S (2007) Structural refinement and crystal chemistry of Mn-doped spinel: a case for tetrahedrally coordinated Mn3+ in an oxygen-based structure, American Mineralogist, 92, 27-33   [view file]

Kojitani H, Hisatomi R, Akaogi M (2007) High-pressure relations and crystal chemistry of calcium ferrite-type solid solutions in the system MgAl2O4-Mg2SiO4, American Mineralogist, 92, 1112-1118   [view file]

Liu X, O’Neill H St. C (2007) Effects of P2O5 and TiO2 on the partial melting of spinel lherzolite in the system CaO—MgO—Al2O3—SiO2 at 1.1 GPa, The Canadian Mineralogist, 45, 649-655   [view file]

Nestola F, Boffa Ballaran T, Balic-Zunic T, Princivalle F, Secco L, Dal Negro A (2007) Comparative compressibility and structural behavior of spinel MgAl2O4 at high pressures: the independency on the degree of cation order, American Mineralogist, 92, 1838-1843   [view file]

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