Colemanite R050102

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Record 1 of 3  

Name: Colemanite
RRUFF ID: R050102
Ideal Chemistry: CaB3O4(OH)3·H2O
Locality: Kramer deposit, Boron, Kern County, California, USA
Source: Rock Currier
Owner: RRUFF
Description: Colorless prismatic to tabular crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Colemanite samples (3) ]
CHEMISTRY 
RRUFF ID: R050102.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.00B3.00O4(OH)3·H2O ; trace amounts of Na; B assumed by stoichiometry and charge balance.
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished.
Pin ID: L00081
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
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  orientation angle.
Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050102
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050102.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R050102.1
Sample Description: Powder
Cell Refinement Output: a: 8.7231(8)Å    b: 11.2564(6)Å    c: 6.0973(4)Å
alpha: 90°    beta: 110.137(6)°    gamma: 90°   Volume: 562.10(5)Å3    Crystal System: monoclinic
  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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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Colemanite

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]

Hanks H G (1883) Report on the borax deposits of California and Nevada, Borax minerals and those containing boracic acid in small quantities, 3, 81-89   [view file]

Jackson A W (1884) On colemanite, a new borate of lime, American Journal of Science, 28, 447-448   [view file]

Meixner, H (1953) Einige Boratminerale (Colemanit und Tertschit, ein neues Mineral) aus der Türkei, Fortschritte der Mineralogie, 31, 39-42

Burns P C, Hawthorne F C (1993) Hydrogen bonding in colemanite: an x-ray and structure-energy study, The Canadian Mineralogist, 31, 297-304   [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]

Lin J, Pan Y, Chen N, Mao M, Li R, Feng R (2011) Arsenic incorporation in colemanite from borate deposits: Data from ICP-MS, μ-SXRF, XAFS and EPR analyses, The Canadian Mineralogist, 49, 809-822   [view file]