Clinohumite R060559

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Record 4 of 5  

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) ]
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 ]
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R060559
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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
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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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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