Sanbornite R050001

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Record 1 of 2  

Name: Sanbornite
RRUFF ID: R050001
Ideal Chemistry: BaSi2O5
Locality: Empire #1 mine, Fresno County, California, USA
Source: University of Arizona Mineral Museum 9044 [view label]
Owner: RRUFF
Description: An aggregate of white to colorless pearly anhedral plates
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Sanbornite samples (2) ]
RRUFF ID: R050001.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ba1.00Si2.00O5
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: M00487
Orientation: Laser parallel to  -b*  (0 -1 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].

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RRUFF ID: R050001
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050001.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R050001.1
Sample Description: Powder
Cell Refinement Output: a: 4.6323(8)Å    b: 7.6924(7)Å    c: 13.5286(4)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 482.07(6)Å3    Crystal System: orthorhombic
  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 Sanbornite

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]

Rogers A F (1932) Sanbornite, a new barium silicate mineral from Mariposa County, California, American Mineralogist, 17, 161-172   [view file]

Douglass R M (1958) The crystal structure of sanbornite, BaSi2O5, American Mineralogist, 43, 517-536   [view file]

Hesse K F, Liebau F (1980) Crystal chemistry of silica-rich barium silicates. III. Refinement of the crystal structures of the layer silicates Ba2(Si4O10) (l) (Sanbornite), and Ba2(Si4O10) (h), Zeitschrift für Kristallographie, 153, 33-41   [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]