Spinel R060799

Name: Spinel
RRUFF ID: R060799
Ideal Chemistry: MgAl2O4
Locality: Aliabad, Hunza Valley, Pakistan
Source: Marcus Origlieri [view label]
Owner: RRUFF
Description: A group of blue distorted octahedra
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Spinel (56) ]
Quick search: [ All Spinel samples (12) ]
RRUFF ID: R060799.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mg0.97Fe2+0.03)1.00Al2.00O4
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented and mounted on a pin.
Pin ID: L01579
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].

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  orientation angle.

Raman Mode Analysis
Direction of polarization of laser relative to fiducial mark:
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RRUFF ID: R060799
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
RRUFF ID: R060799.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.069(5)Å    b: 8.069(5)Å    c: 8.069(5)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 525.3(1)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.

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American Mineralogist Crystal Structure Database Record: [view record]

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Cabella R, Gazzotti M, Lucchetti G (1997) Loveringite and baddeleyite in layers of chromian spinel from the Bracco ophiolitic unit, northern Apennines, Italy, The Canadian Mineralogist, 35, 899-908   [view file]

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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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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]

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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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Lenaz D, Velicogna M, Hålenius U, O'Driscoll B (2016) Structural parameters of Cr-bearing spinels and pleonaste from the Cuillin Igneous Complex (Isle of Skye, Scotland): Implications for metamorphic and cooling history, Mineralogical Magazine, 80, 749-763

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