Kurnakovite R050105

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Record 1 of 2  

Name: Kurnakovite
RRUFF ID: R050105
Ideal Chemistry: MgB3O3(OH)5·5H2O
Locality: Kramer deposit, Boron, Kern County, California, USA
Source: Rock Currier
Owner: RRUFF
Description: Tabular single crystal
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Kurnakovite samples (2) ]
CHEMISTRY 
RRUFF ID: R050105.2
Sample Description: Microprobe Fragment
Measured Chemistry: MgB3O3(OH)5·5H2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: L00338
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050105
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: R050105.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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RRUFF ID: R050105.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R050105.1
Sample Description: Powder
Cell Refinement Output: a: 8.338(1)Å    b: 10.6058(6)Å    c: 6.4396(7)Å
alpha: 98.92(2)°    beta: 108.91(1)°    gamma: 105.544(9)°   Volume: 500.40(7)Å3    Crystal System: triclinic
  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 Kurnakovite

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]

Godlevsky M N (1940) Kurnakovite, a new borate, Comptes Rendus (Doklady) de l'Académie des Sciences de l'URSS, 28, 638-640   [view file]

Fleischer M (1941) New mineral names, American Mineralogist, 26, 293-294   [view file]

Razmanova Z P, Rumanova I M, Belov N V (1970) The crystal structure of kurnakovite Mg2B6O11·15H2O = 2Mg[B3O3 (OH)5]5H2O, Soviet Physics - Doklady, 14, 1139-1141

Corazza E (1974) The crystal structure of kurnakovite: a refinement, Acta Crystallographica, B30, 2194-2199

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

Zhou B, Michaelis V K, Pan Y, Yao Y, Tait K T, Hyde B C, Wren J E C, Sherriff B L, Kroeker S (2012) Crystal structure refinements of borate dimorphs inderite and kurnakovite using 11B and 25Mg nuclear magnetic resonance and DFT calculations, American Mineralogist, 97, 1858-1865   [view file]

Gatta G D, Guastoni A, Lotti P, Guastella G, Fabelo O, Fernandez-Diaz M T (2019) A multi-methodological study of kurnakovite: A potential B-rich aggregate, American Mineralogist, 104, 1315-1322

Xiong, Y (2020) Experimental determination of the solubility constant of kurnakovite, MgB3O3(OH)5·5H2O, American Mineralogist, 105, 977-983