Diaspore R060546

Name: Diaspore
RRUFF ID: R060546
Ideal Chemistry: AlO(OH)
Locality: Turkey
Source: Gemological Institute of America 22868
Owner: RRUFF
Description: Platy transparent pale yellow fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Diaspore samples (3) ]
RRUFF ID: R060546.2
Sample Description: Microprobe fragment
Measured Chemistry: (Al0.99Fe3+0.01)Σ=1O(OH) ; OH estimated by difference; Fe3+ by charge balance
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented and mounted on a pin
Pin ID: L01635
Orientation: Laser parallel to  c*  (0 0 1).     Fiducial mark perpendicular to laser is parallel to  a   [1 0 0].

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RRUFF ID: R060546
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
RRUFF ID: R060546.1
Sample Description: Powder
Cell Refinement Output: a: 4.4035(1)Å    b: 9.4324(3)Å    c: 2.84753(8)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 118.276(4)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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Diaspore

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]

Haüy R J (1801) VII. Diaspore (m.), c'est-à-dire, qui se disperse, in Traité de Minéralogie, Volume 4 Chez Louis Paris 358-360   [view file]

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

Hoppe W (1942) Über die Kristallstruktur von α-AlOOH (diaspore) II. (Fourieranalyse.), Zeitschrift für Kristallographie, 104, 11-17   [view file]

Stegmann M C, Vivien D, Mazieres C (1973) Etude des modes de vibration infrarouge dans les oxyhydroxydes d'aluminium boehmite et diaspore, Spectrochimica Acta Part A, 29A, 1653-1663

Hill R J (1979) Crystal structure refinement and electron density distribution in diaspore, Physics and Chemistry of Minerals, 5, 179-200

Juan-Farfán R E S, Bayarjargal L, Winkler B, Haussühl E, Avalos-Borja M, Refson K, Milman V (2001) Pressure dependence of the lattice dynamics of diaspore, α-AlO(OH), from Raman spectroscopy and density functional perturbation theory, Physics and Chemistry of Minerals, 38, 693-700

Ruan H D, Frost R L, Kloprogge J T (2001) Comparison of Raman spectra in characterizing gibbsite, bayerite, diaspore and boehmite, Journal of Raman Spectroscopy, 32, 745-750   [link]

Ruan H D, Frost R L, Kloprogge J T, Schulze D G, Duong L (2003) FT-Raman spectroscopy and SEM of gibbsite, bayerite, boehmite and diaspore in relation to the characterization of bauxite, in 2001. A Clay Odyssey Elsevier B.V. Amsterdam, Netherlands 545-552

Demichelis R, Noel Y, Civalleri B, Roetti C, Ferrero M, Dovesi R (2007) The vibrational spectrum of α-AlOOH diaspore: an ab initio study with the CRYSTAL code, Journal of Physical Chemistry B, 111, 9337-9346

Friedrich A, Wilson D J, Haussühl E, Winkler B, Morgenroth W, Refson K, Milman V (2007) High-pressure properties of diaspore, AlO(OH), Physics and Chemistry of Minerals, 34, 145-157

Delattre S, Balan E, Lazzeri M, Blanchard M, Guillaumet M, Beyssac O, Haussühl E, Winkler B, Salje E K H, Calas G (2012) Experimental and theoretical study of the vibrational properties of diaspore (α-AlOOH), Physics and Chemistry of Minerals, 39, 93-102

Passeri D, Reggente M, Rossi M, Nunziante Cesaro S, Guglielmotti V, Vlassak J J, De Francesco A M, Scarpelli R, Hatipoğlu M, Ajò D (2016) Contact resonance atomic force microscopy (CR-AFM) in applied mineralogy: the case of natural and thermally treated diaspore, European Journal of Mineralogy, 28, 273-283