Goethite R050142

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Record 1 of 4  


Name: Goethite
RRUFF ID: R050142
Ideal Chemistry: FeO(OH)
Locality: Park County, Colorado, USA
Source: Dave Bunk Minerals
Owner: RRUFF
Description: Radiating spray of black to brown platy crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Goethite samples (4) ]
CHEMISTRY 
RRUFF ID: R050142.2
Sample Description: Microprobe Fragment
Measured Chemistry: FeO(OH)
Reference File: [ View PDF ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: M00090
Orientation: Laser parallel to  b*  (0 1 0).     Fiducial mark perpendicular to laser is parallel to  -c   [0 0 -1].
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050142
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050142.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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RRUFF ID: R050142.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
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POWDER DIFFRACTION 
RRUFF ID: R050142.1
Sample Description: Powder
Cell Refinement Output: a: 9.9613(2)Å    b: 3.0226(2)Å    c: 4.6017(3)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 138.555(9)    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 Goethite

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]

Hoppe W (1940) Über die kristallstruktur von α-AlOOH (diaspor) und α-FeOOH (nadeleisenerz), Zeitschrift für Kristallographie, 103, 73-89   [view file]

Szytula A, Burewicz A, Dimitrijevic Z, Krasnicki S, Rzany H, Todorovic J, Wanic A, Wolski W (1968) Neutron Diffraction Studies of α-FeOOH, Physica Status Solidi, 26, 429-434

Cech F, Johan Z (1969) Identité de l´allcharite et de la goethite, Bulletin de la Société Française de Minéralogie et de Cristallographie, 92, 99-100   [view file]

International Mineralogical Association (1980) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 43, 1053-1055   [view file]

de Faria D L A, Silva S V, de Oliveira M T (1997) Raman microspectroscopy of some iron oxides and oxyhydroxides, Journal of Raman Spectroscopy, 28, 873-878   [link]

Oh S J, Cook D C, Townsend H E (1998) Characterization of iron oxides commonly formed as corrosion products on steel, Hyperfine Interactions, 112, 59-65   [link]

Frankel R B, Bazylinski D A (2003) Biologically induced mineralization by bacteria, Reviews in Mineralogy and Geochemistry, 54, 95-114

Yang H, Lu R, Downs R T, Costin G (2006) Goethite, α–FeO(OH), from single–crystal data, Acta Crystallographica, E62, i250-i252   [view file]

Alvarez M, Sileo E E, Rueda E H (2008) Structure and reactivity of synthetic Co-substituted goethites, American Mineralogist, 93, 584-590   [view file]