Andalusite R050626

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Record 171 of 4216  

Name: Andalusite
RRUFF ID: R050626
Ideal Chemistry: Al2SiO5
Locality: Minas Gerais, Brazil
Source: Gemological Center
Owner: RRUFF
Description: Grayish brown fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Andalusite (17) ]
Quick search: [ All Andalusite samples (6) ]
CHEMISTRY 
RRUFF ID: R050626.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Al1.99Fe3+0.01)Σ=1Si1.00O5
Reference File: [ View PDF ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented and mounted on a pin
Pin ID: L00923
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: R050626
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050626.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050626.1
Sample Description: Powder
Cell Refinement Output: a: 7.7925(4)Å    b: 7.8981(4)Å    c: 5.556(1)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 341.96(7)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 Andalusite

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]

Delamétherie J C (1798) Sur une pierre de l´andalousie, Journal de Physique, de Chimie et d´Histoire Naturelle et des Arts, 46, 386-387   [view file]

Richmond W E (1940) Crystal chemistry of the phosphates, arsenates and vanadates of the type A2XO4(Z), American Mineralogist, 25, 441-478   [view file]

Hutton C O (1950) Studies of heavy detrital minerals, Bulletin of the Geological Society of America, 61, 635-710   [view file]

Church W R (1967) Abstract of paper presented at the twelfth annual meeting: The occurrence of kyanite, andalusite, pyrophyllite and kaolinite in lower Proterozoic (Huronian) rocks of Ontario, The Canadian Mineralogist, 9, 287-287   [view file]

Gross E B (1967) Abstract of paper presented at the twelfth annual meeting: Phosphate-sulfate mineralization at the White Mountain andalusite deposit, Mono County, California, The Canadian Mineralogist, 9, 291-291   [view file]

Faye G H, Harris D C (1969) On the origin of colour and pleochroism in andalusite from Brazil, The Canadian Mineralogist, 10, 47-56   [view file]

Halenius U (1978) A spectroscopic investigation of manganian andalusite, The Canadian Mineralogist, 16, 567-575   [view file]

Gunter M, Bloss F D (1982) Andalusite-kanonaite series: lattice and optical parameters, American Mineralogist, 67, 1218-1228   [view file]

Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist, 72, 1031-1042   [view file]

Chernosky J V, Berman R G (1991) Experimental reversal of the equilibrium andalusite + calcite + quartz = anorthite + CO2, The Canadian Mineralogist, 29, 791-802   [view file]

Mernagh T P, Liu L (1991) Raman spectra from the Al2SiO5 polymorphs at high pressure and room temperature, Physics and Chemistry of Minerals, 18, 126-130

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]

Burt J B, Ross N L, Angel R J, Koch M (2006) Equations of state and structures of andalusite to 9.8 GPa and sillimanite to 8.5 GPa, American Mineralogist, 91, 319-326   [view file]

Ohuchi F S, Ghose S, Engelhard M H, Baer D R (2006) Chemical bonding and electronic structures of the Al2SiO5 polymorphs, andalusite, sillimanite, and kyanite: X-ray photoelectron- and electron energy loss spectroscopy studies, American Mineralogist, 91, 740-746   [view file]

Whitney D L, Samuelson W J (2019) Crystallization sequences of coexisting andalusite, kyanite, and sillimanite, and a report on a new locality: Lesjaverk, Norway, European Journal of Mineralogy, 31, 731-737