Pyrope R060445

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Record 9 of 13  

Name: Pyrope
RRUFF ID: R060445
Ideal Chemistry: Mg3Al2(SiO4)3
Locality: Tanzania
Source: Gemological Institute of America 13364
Owner: RRUFF
Description: Deep red water worn pebble, variety rhodolite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ garnet (94) ]
Quick search: [ All Pyrope samples (13) ]
RRUFF ID: R060445.2
Sample Description: Microprobe fragment
Measured Chemistry: (Mg1.83Fe1.08Ca0.07Mn0.02)Σ=3Al2.00(Si1.00O4)3
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented, mounted on a pin, and polished.
Pin ID: L00835
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  -c   [0 0 -1].

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  please select a specific
  orientation angle.

Raman Mode Analysis
Direction of polarization of laser relative to fiducial mark:
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RRUFF ID: R060445
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060445.1
Sample Description: Powder
Cell Refinement Output: a: 11.4941(1)Å    b: 11.4941(1)Å    c: 11.4941(1)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 1518.54(6)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, Shimokawa M, Nakayama N, Ohtaka O, Arima H, Okube M, Yoshiasa A (2011) Static disorders of atoms and experimental determination of Debye temperature in pyrope: Low- and high-temperature single-crystal X-ray diffraction study, American Mineralogist, 96, 1593-1605   [view file]

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Nakatsuka A, Shimokawa M, Nakayama N, Ohtaka O, Arima H, Okube M, Yoshiasa A (2013) Static disorders of atoms and experimental determination of Debye temperature in pyrope: Low- and high-temperature single-crystal X-ray diffraction study—Reply, American Mineralogist, 98, 783-784

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Chantel J, Manthilake G M, Frost D J, Beyer C, Ballaran T B, Jing Z, Wang Y (2016) Elastic wave velocities in polycrystalline Mg3Al2Si3O12-pyrope garnet to 24 GPa and 1300 K, American Mineralogist, 101, 991-997

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