Important Update News

rruff.info is being updated to improve its interface and content. The beta version of the update is accessible to the public at www.rruff.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Once released, the address will revert to RRUFF.info.

We are grateful to NASA for the funding of this effort.

Brookite R050363

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 605 of 4216  

Name: Brookite
RRUFF ID: R050363
Ideal Chemistry: TiO2
Locality: Magnet Cove, Arkansas, USA
Source: University of Arizona Mineral Museum 10197 [view label]
Owner: RRUFF
Description: Black fragment of a prismatic crystal associated with quartz
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) ]
CHEMISTRY 
RRUFF ID: R050363.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ti0.94Nb5+0.03Fe3+0.03)Σ=1O2
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented and mounted on a pin
Pin ID: L00226
Orientation: Laser parallel to  -a*  (-1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
DOWNLOADS:

  To download sample data,
  please select a specific
  orientation angle.
Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050363
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
DOWNLOADS:

Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050363.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
DOWNLOADS:

Infrared Data (Processed)
RRUFF File
X Min:    X Max:    X Sort:
POWDER DIFFRACTION 
RRUFF ID: R050363.1
Sample Description: Powder
Cell Refinement Output: a: 9.189(1)Å    b: 5.4580(9)Å    c: 5.1486(5)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 258.24(4)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.

DOWNLOADS:

Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
X Min:    X Max:    X Sort:
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]