Phenakite R050137

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Record 3 of 4  

Name: Phenakite
RRUFF ID: R050137
Ideal Chemistry: Be2SiO4
Locality: Mount Antero area, Chaffee County, Colorado, USA
Source: Dave Bunk Minerals
Owner: RRUFF
Description: Colorless tabular hexagonal crystal
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Phenakite samples (4) ]
CHEMISTRY 
RRUFF ID: R050137.2
Sample Description: Microprobe Fragment
Measured Chemistry: Be2.00Si1.00O4
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted on a pin, and polished.
Pin ID: L00964
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: R050137
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050137.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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RRUFF ID: R050137.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R050137.1
Sample Description: Powder
Cell Refinement Output: a: 12.4714(2)Å    b: 12.4714(2)Å    c: 8.2509(2)Å
alpha: 90.°    beta: 90.°    gamma: 120.°   Volume: 1111.40(3)    Crystal System: hexagonal
  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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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Phenakite

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]

Nordenskjöld N (1834) Beskrifning på phenakit, ett nytt mineral från Ural, Kongliga Svenska Vetenskaps-Akademiens Handlingar, 1833, 160-165   [view file]

Zachariasen W H (1971) Refined crystal structure of phenacite, Be2SiO4, Soviet Physics - Crystallography, 16, 1021-1025

Hazen R M, Au A Y (1986) High-pressure crystal chemistry of phenakite (Be2SiO4) and bertrandite (Be4Si2O7(OH)2), Physics and Chemistry of Minerals, 13, 69-78

Downs J W, Gibbs G V (1987) An exploratory examination of the electron density and electrostatic potential of phenakite, American Mineralogist, 72, 769-777   [view file]

Hofmeister A M, Hoering T C, Virgo D (1987) Vibrational spectroscopy of of beryllium aluminosilicates: heat capacity calculations from band assignments, Physics and Chemistry of Minerals, 14, 205-224

Martin-Izard A, Paniagua A, Moreiras D, Acevedo R D, Marcos-Pascual C (1995) Metasomatism at a granitic pegmatite - dunite contact in Galicia: the Franqueira occurrence of chrysoberyl (alexandrite), emerald, and phenakite, The Canadian Mineralogist, 33, 775-792   [view file]