Clinohumite R060559



Name: Clinohumite
RRUFF ID: R060559
Ideal Chemistry: Mg9(SiO4)4F2
Locality: Tadjikistan
Source: Gemological Institute of America 32060
Owner: RRUFF
Description: Yellowish-brown fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Humite (20) ]
Quick search: [ All Clinohumite samples (5) ]
CHEMISTRY 
RRUFF ID: R060559.2
Sample Description: Microprobe fragment
Measured Chemistry: (Mg8.51Ti0.24   0.24Fe0.01)Σ=9(Si1.00O4)4(F1.30(OH)0.70)Σ=2 ; OH by difference and stoichiometry
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060559
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060559.1
Sample Description: Powder
Cell Refinement Output: a: 4.7392(1)Å    b: 10.2445(6)Å    c: 13.6483(5)Å
alpha: 100.911(6)°    beta: 90.°    gamma: 90.°   Volume: 650.67(4)Å3    Crystal System: monoclinic
  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 Clinohumite

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]

Heuland H, Lévy A (1837) Cinquième Espece. Humite, in Description d'une collection de Minéraux Volume 2 Adolphe Richter et Compagnie London 281-282   [view file]

Des Cloizeaux A L O L (1876) Über den humit; nur der I. Typus ist rhombisch, die beiden andern sind monoklin, doch mit verschiedenen grundformen, Neues Jahrbuch für Mineralogie, Geologie und Palaontologie, 1876, 640-645   [view file]

Ribbe P H, Gibbs G V (1971) Crystal structures of the humite minerals: III. Mg/Fe ordering in humite and its relation to other ferromagnesian silicates, American Mineralogist, 56, 1155-1173   [view file]

Robinson K, Gibbs G V, Ribbe P H (1973) The crystal structures of the humite minerals. IV. Clinohumite and titanoclinohumite, American Mineralogist, 58, 43-49   [view file]

Fujino K, Takèuchi Y (1978) Crystal chemistry of titanian chondrodite and titanian clinohumite of high-pressure origin, American Mineralogist, 63, 535-543   [view file]

Winter G A, Essene E J, Peacor D R (1983) Mn-humites from Bald Knob, North Carolina: Mineralogy and phase equilibria, American Mineralogist, 68, 951-959   [view file]

Lin C C, Liu L G, Mernagh T P, Irifune T (2000) Raman spectroscopic study of hydroxyl-clinohumite at various pressures and temperatures, Physics and Chemistry of Minerals, 27, 320-331   [link]

Frost R L, Palmer S J, Bouzaid J M, Reddy B J (2007) A Raman spectroscopic study of humite minerals, Journal of Raman Spectroscopy, 38, 68-77