N R140974 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Pseudobrookite R140974

Name: Pseudobrookite
RRUFF ID: R140974
Ideal Chemistry: (Fe³⁺₂Ti)O₅
Locality: Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate, Germany
Source: Ch. and H. Schäfer [view label]
Owner: RRUFF
Description: Dark brown tabular or elongated crystals. Associated with sanidine and mullite (supposedly).
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Mineral Group: [ Pseudobrookite (6) ]

Quick search: [ All Pseudobrookite samples (3) ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented sample

DOWNLOADS:

To download sample data,
please select a specific
orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R140974

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (Processed)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R140974.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 9.735(6)Å b: 9.917(5)Å c: 3.710(1)Å
alpha: 90° beta: 90° gamma: 90° Volume: 358.2(2)Å³ Crystal System: orthorhombic

File Type Information

Calculated diffraction file.

File Type Information

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

DOWNLOADS:

	DIF File
	X-ray Data (XY - RAW)
	RRUFF File

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]

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]