Gibbsite R190038
Name: Gibbsite
RRUFF ID: R190038
Ideal Chemistry: Al(OH)3
Locality: Mokrá, Žlutice, Karlovy Vary District, Karlovy Vary Region, Czech Republic
Source: Jim McGlasson
Owner: RRUFF
Description: Brownish yellow hemispheres of gibbsite on black matrix.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R190038
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R190038.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.7179(49)Å    b: 5.0943(18)Å    c: 9.7918(53)Å
alpha: 90°    beta: 94.521(27)°    gamma: 90°   Volume: 433.52(52)Å3    Crystal System: monoclinic
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REFERENCES for Gibbsite

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]

Torrey J (1822) Description and analysis of gibbsite, a new mineral, The New-York Medical and Physical Journal, 1, 68-73   [view file]

Carlson E T, Berman H A (1960) Some observations on the calcium aluminate carbonate hydrates, Journal of Research of the National Bureau of Standards - A. Physics and Chemistry, 64A, 333-341   [view file]

Fleischer M (1962) New mineral names, American Mineralogist, 47, 1216-1223   [view file]

International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263   [view file]

Saalfeld H, Wedde M (1974) Refinement of the crystal structure of gibbsite, Al(OH)3, Zeitschrift für Kristallographie, 139, 129-135   [view file]

Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415   [view file]

Peterson R C, Hill R J, Gibbs G V (1979) A molecular – orbital study of distortions in the layer structures brucite, gibbsite, and serpentine, The Canadian Mineralogist, 17, 703-711   [view file]

International Mineralogical Association (1980) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 43, 1053-1055   [view file]

Jambor J L, Sabina A P, Ramik R A, Sturman B D (1990) A fluorine-bearing gibbsite-like mineral from the Francon quarry, Montreal, Quebec, The Canadian Mineralogist, 28, 147-153   [view file]

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

Balan E, Lazzeri M, Morin G, Mauri F (2006) First-principles study of the OH-stretching modes of gibbsite, American Mineralogist, 91, 115-119   [view file]

Negrão L B A, Da Costa M L, Pöllmann H, Horn A (2018) An application of the Rietveld refinement method to the mineralogy of a bauxite-bearing regolith in the Lower Amazon, Mineralogical Magazine, 82, 413-431

Kim H, Lee S (2021) Probing the transformation paths from aluminum (oxy)hydroxides (boehmite, bayerite, and gibbsite) to metastable alumina: A view from high-resolution 27Al MAS NMR, American Mineralogist, 106, 389-403