Euclase R050032

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Record 1 of 4  

Name: Euclase
RRUFF ID: R050032
Ideal Chemistry: BeAlSiO4(OH)
Locality: Minas Gerais, Brazil
Source: University of Arizona Mineral Museum 13802 [view label]
Owner: RRUFF
Description: Colorless crystal fragments
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Euclase samples (4) ]
CHEMISTRY 
RRUFF ID: R050032.2
Sample Description: Microprobe fragment
Measured Chemistry: Be1.00Al1.00Si1.00O4(OH)
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: L00185
Orientation: Laser parallel to  -c*  (0 0 -1).     Fiducial mark perpendicular to laser is parallel to  a   [1 0 0].
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050032
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: R050032.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
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POWDER DIFFRACTION 
RRUFF ID: R050032.1
Sample Description: Powder
Cell Refinement Output: a: 4.7792(1)Å    b: 14.3318(3)Å    c: 4.6316(1)Å
alpha: 90.°    beta: 100.290(2)°    gamma: 90.°   Volume: 312.143(9)Å3    Crystal System: monoclinic
  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 Euclase

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]

Hauy R J (1792) De l´euclase, Observations sur la Physique, sur l’Histoire Naturelle et sur les Arts, 41, 155-156   [view file]

Biscoe J, Warren B E (1933) The structure of euclase HBeAlSiO5, Zeitschrift für Kristallographie, 86, 292-297   [view file]

Mrose M E, Appleman D E (1962) The crystal structures and crystal chemistry of väyrynenite, (Mn,Fe)Be(PO4)(OH), and euclase, AlBe(SiO4)·(OH), Zeitschrift für Kristallographie, 117, 16-36   [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

Demartin F, Gramaccioli C M, Pilati T (1992) A first occurrence of euclase in the Swiss Alps: Discovery and refinement of the crystal structure, Schweizerische Mineralogische und Petrographische Mitteilungen, 72, 159-165

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]

Gilles-Guéry L, Galoisy L, Schnellrath J, Baptiste B, Calas G (2022) Mn3+ and the pink color of gem-quality euclase from northeast Brazil, American Mineralogist, 107, 489-494