Brookite R050591

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Record 607 of 4186  

Name: Brookite
RRUFF ID: R050591
Ideal Chemistry: TiO2
Locality: Taftan, near Dalbandi, Baluchistan, Pakistan
Source: Wayne Thompson
Owner: RRUFF
Description: Yellowish-brown to reddish-brown thin tabular crystal
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Brookite (3) ]
Quick search: [ All Brookite samples (3) ]
RRUFF ID: R050591.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ti1.00O2
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented and mounted on a pin
Pin ID: M00274
Orientation: Laser parallel to  b*  (0 1 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].

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RRUFF ID: R050591
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050591.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R050591.1
Sample Description: Powder
Cell Refinement Output: a: 9.1741(3)Å    b: 5.4495(2)Å    c: 5.1376(2)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 256.85(1)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 Brookite

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]

Levy M (1825) An account of a new mineral, The Annals of Philosophy, 9, 140-142   [view file]

Pauling L, Sturdivant J H (1928) XV. the crystal structure of brookite, Zeitschrift für Kristallographie, 68, 239-256   [view file]

Meagher E P, Lager G A (1979) Polyhedral thermal expansion in the TiO2 polymorphs: refinement of the crystal structures of rutile and brookite at high temperature, The Canadian Mineralogist, 17, 77-85   [view file]

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]