Borax R070168



Name: Borax
RRUFF ID: R070168
Ideal Chemistry: Na2B4O5(OH)4·8H2O
Locality: Boron, Kramer District, Kern County, California, USA
Source: Michael Scott S101857 [view label]
Owner: RRUFF
Description: Colorless prismatic single crystal associated with tincalconite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R070168.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na2.00B4O5(OH)4ยท8H2O ; = lighter phase. Darker phase is probably tincalconite; B, H, O not measured but estimated by stoichiometry
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070168
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R070168.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R070168.1
Sample Description: Powder, mixture with tincalconite; a: 11.125(2), c: 21.198(7)
Cell Refinement Output: a: 11.8774(9)Å    b: 10.6487(3)Å    c: 12.200(1)Å
alpha: 90°    beta: 106.581(7)°    gamma: 90°   Volume: 1478.9(1)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 Borax

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]

Agricola G (1556) Borax, in De Re Metallica, translated by Hoover H C and Hoover L H 1950 Dover New York 560-560   [view file]

Wallerius J G, Denso J D (1750) Borax, in Mineralolgie oder Mineralreich Berlegts Christoph Gottlieb Nicolai Berlin 246-250   [view file]

Morimoto N (1956) The crystal structure of borax, Mineralogical Journal, 2, 1-18

Levy H A, Lisensky G C (1978) Crystal structures of sodium sulfate decahydrate (Glauber's salt) and sodium tetraborate decahydrate (borax). Redetermination by neutron diffraction, Acta Crystallographica, B34, 3502-3510

Li J, Xia S, Gao S (1995) FT-IR and Raman spectroscopic study of hydrated borates, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 51, 519-532

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]

Gainsford G J, Kemmitt T, Higham C (2008) Redetermination of the borax structure from laboratory X-ray data at 145 K, Acta Crystallographica, E64, i24-i25