Benitoite R050332

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Record 2 of 4  

Name: Benitoite
RRUFF ID: R050332
Ideal Chemistry: BaTiSi3O9
Locality: Benitoite Gem mine, Santa Rita Peak, San Benito County, California, USA
Source: California Institute of Technology W-1863
Owner: RRUFF
Description: Pale blue fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Benitoite (4) ]
Quick search: [ All Benitoite samples (3) ]
RRUFF ID: R050332.2
Sample Description: Microprobe fragment
Measured Chemistry: Ba1.00Ti1.00Si3.00O9
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample

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RRUFF ID: R050332
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R050332.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.647(1)Å    b: 6.647(1)Å    c: 9.750(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 373.12(6)Å3    Crystal System: hexagonal
  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.

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REFERENCES for Benitoite

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]

Louderback G D, Blasdale W C (1907) Benitoite, a new California gem mineral, University of California Publications. Bulletin of the Department of Geology, 5, 149-153   [view file]

Louderback G D, Blasdale W C (1909) Benitoite, its paragenesis and mode of occurrence, University of California Publications. Bulletin of the Department of Geology, 5, 331-380   [view file]

Zachariasen W H (1930) The crystal structure of benitoite, BaTiSi3O9, Zeitschrift für Kristallographie, 74, 139-146   [view file]

Fischer C (1969) Verfeinerung der Kristallstruktur von Benitoit BaTi[Si3O9], Zeitschrift für Kristallographie, 129, 222-243   [view file]

Laird J, Albee A L (1972) Chemical composition and physical, optical, and structural properties of benitoite, neptunite and joaquinite, American Mineralogist, 57, 85-102   [view file]

Hawthorne F C (1987) The crystal chemistry of the benitoite group minerals and structural relations in (Si3O9) ring structures, Neues Jahrbuch für Mineralogie, Monatshefte, 1987, 16-30

Kim C C, Bell M I, McKeown D A (1993) Vibrational analysis of benitoite (BaTiSi3O9) and the Si3O9 ring, Physical Review B, 47, 7869- 7877

McDonald A M, Chao G Y (2005) Bobtraillite, (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12·12H2O, a new mineral species from Mont Saint-Hilaire, Quebec: description, structure determination and relationship to benitoite and wadeite, The Canadian Mineralogist, 43, 747-758   [view file]

Hejny C, Miletich R, Jasser A, Schouwink P, Crichton W, Kahlenberg V (2012) Second-order P6c2-P31c transition and structural crystallography of the cyclosilicate benitoite, BaTiSi3O9, at high pressure, American Mineralogist, 97, 1749-1763   [view file]