Enstatite R040093

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Record 749 of 2398  

Name: Enstatite
RRUFF ID: R040093
Ideal Chemistry: Mg2Si2O6
Locality: Castle Rock, Pennsylvania, USA
Source: University of Arizona Mineral Museum 4637 [view label]
Owner: RRUFF
Description: Dark green massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ pyroxene (81) ]
Quick search: [ All Enstatite samples (17) ]
CHEMISTRY 
RRUFF ID: R040093.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mg0.84Fe0.15Al0.01)Si1.00O3
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: L00247
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  -b   [0 -1 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: R040093
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R040093.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R040093.1
Sample Description: Powder
Cell Refinement Output: a: 18.2566(8)Å    b: 8.8467(4)Å    c: 5.1917(6)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 838.52(10)Å3    Crystal System: orthorhombic
  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 Enstatite

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]

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Warren B E, Modell D I (1930) The structure of enstatite MgSiO3, Zeitschrift für Kristallographie, 75, 1-14   [view file]

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Ohashi, Y. (1984) Polysynthetically-twinned structures of enstatite and wollastonite, Physics and Chemistry of Minerals, 10, 217-229

Ghose S, Schomaker V, Mcmullan R K (1986) Enstatite, Mg2Si2O6 - a neutron-diffraction refincement of the crystal structure and a rigid-body analysis of the thermal variation, Zeitschrift für Kristallographie, 176, 159-175   [view file]

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Jiang D, Fujino K, Tomioka N, Hosoya T, Das K (2002) High temperature X-ray diffraction study of enstatite up to the melting point, Journal of Mineralogical and Petrological Sciences, 97, 20-31   [view file]

Tribaudino M, Nestola F (2002) Average and local structure in P21/c clinopyroxenes along the join diopside-enstatite (CaMgSi2O6-Mg2Si2O6), European Journal of Mineralogy, 14, 549-555

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Nestola F, Tribaudino M (2003) The structure of Pbca orthopyroxenes along the join diopside-enstatite (CaMgSi2O6-Mg2Si2O6), European Journal of Mineralogy, 15, 365-371

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