Norbergite R050280



Name: Norbergite
RRUFF ID: R050280
Ideal Chemistry: Mg3(SiO4)F2
Locality: Sterling mine, Ogdensburg, New Jersey, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Brownish-orange granular
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Humite (20) ]
CHEMISTRY 
RRUFF ID: R050280.2
Sample Description: Microprobe fragment
Measured Chemistry: (Mg0.993Fe0.006Ca0.001)3(SiO4)(F0.704OH0.296)2
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050280
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050280.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050280.1
Sample Description: Powder
Cell Refinement Output: a: 4.7110(2)Å    b: 10.2728(3)Å    c: 8.7674(4)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 424.29(2)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Norbergite

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]

Geijer P (1926) Norbergite and fluoborite, two new minerals from the Norberg mining district, Geologiska Föreningens i Stockholm Förhandlingar, 48, 84-85   [view file]

Foshag W F (1927) New mineral names, American Mineralogist, 12, 265-266   [view file]

Valkenburg A V (1961) Synthesis of the humites nMg2SiO4·Mg(F, OH)2, Journal of Research of the National Bureau of Standards - A. Physics and Chemistry, 65A, 415-428   [view file]

Gibbs G V, Ribbe P H (1969) The crystal structures of the humite minerals: I. Norbergite, American Mineralogist, 54, 376-390   [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]

Cámara F (1997) New data on the structure of norbergite: location of hydrogen by X-ray diffraction, The Canadian Mineralogist, 35, 1523-1530   [view file]

Liu L G, Lin C C, Mernagh T P (1999) Raman spectra of norbergite at various pressures and temperatures, European Journal of Mineralogy, 11, 1011-1021   [link]