Pseudobrookite R050563

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Record 4 of 6  


Name: Pseudobrookite
RRUFF ID: R050563
Ideal Chemistry: (Fe3+2Ti)O5
Locality: Thomas Range, Juab County, Utah, USA
Source: Dave Bunk Minerals [view label]
Owner: RRUFF
Description: Black elongated prismatic crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Pseudobrookite (6) ]
Quick search: [ All Pseudobrookite samples (3) ]
CHEMISTRY 
RRUFF ID: R050563.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe3+1.85Mn3+0.12Al0.03)Σ=2Ti1.00O5
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050563
Wavelength:
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050563.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.757(4)Å    b: 9.942(4)Å    c: 3.726(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 361.4(2)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - Processed)
RRUFF File
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REFERENCES for Pseudobrookite

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]

Koch A (1878) Neue Minerale. Pseudobrookite und Szabóit, Mineralogische und Petrographische Mittheilungen, 1, 77-79   [view file]

Cleveland J J, Bradt R C (1978) Grain size/microcracking relations for pseudobrookite oxides, Journal of the American Ceramic Society, 61, 478-481

Bowles J F W (1988) Definition and range of composition of naturally occurring minerals with the pseudobrookite structure, American Mineralogist, 73, 1377-1383   [view file]

Teller R G, Antonio M R, Grau A E, Gueguin M, Kostiner E (1990) Structural analysis of metastable pseudobrookite ferrous titanium oxides with neutron diffraction and Mossbauer spectroscopy, Journal of Solid State Chemistry, 88, 334-350

Yang H, Hazen R M (1998) Crystal chemistry of cation order-disorder in pseudobrookite-type MgTi2O5, Journal of Solid State Chemistry, 138, 238-244

Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry karrooite, MgTi2O5, with different ordering states, American Mineralogist, 84, 130-137   [view file]

Liermann H-P, Downs R T, Yang H (2006) Site disorder revealed through Raman spectra from oriented single crystals: a case study on karooite (MgTi2O5), American Mineralogist, 91, 790-793   [view file]

Sevillano G C, Viñals J, Rebollar M C (2009) Minerales de la vesículas de las Rocas lamproíticas del Afloramiento de la Aljorra (Murcia), Revista de la Sociedad Española de Mineralogia, 11, 43-44   [view file]