Spinel R050392

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Record 4 of 12  

Name: Spinel
RRUFF ID: R050392
Ideal Chemistry: MgAl2O4
Locality: Mogok, Burma
Source: Eric Van Valkenburg
Owner: RRUFF
Description: Pink octahedron
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Spinel (62) ]
Quick search: [ All Spinel samples (12) ]
RRUFF ID: R050392.2
Sample Description: Microprobe Fragment
Measured Chemistry: Mg1.00Al1.96Cr0.04O4
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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Raman Mode Analysis
Direction of polarization of laser relative to fiducial mark:
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RRUFF ID: R050392
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050392.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R050392.1
Sample Description: Powder
Cell Refinement Output: a: 8.0911(2)Å    b: 8.0911(2)Å    c: 8.0911(2)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 529.69(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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American Mineralogist Crystal Structure Database Record: [view record]

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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

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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]

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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]

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