Nahcolite R070237



Name: Nahcolite
RRUFF ID: R070237
Ideal Chemistry: NaH(CO3)
Locality: Bureau of Mines Oil Shale Mine, East Rifle Creek area, Garfield County, Colorado, USA
Source: Michael Scott S105046 [view label]
Owner: RRUFF
Description: Clear, colorless to brownish, massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R070237.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na1.00HCO3 ; H and C not analyzed but assumed 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: R070237
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R070237.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R070237.1
Sample Description: Powder
Cell Refinement Output: a: 3.4798(2)Å    b: 9.6817(3)Å    c: 8.0537(6)Å
alpha: 90°    beta: 112.144(4)°    gamma: 90°   Volume: 251.32(2)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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REFERENCES for Nahcolite

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]

Bannister F A (1929) The so-called ‘thermokalite’ and the existence of sodium bicarbonate as a mineral, Mineralogical Magazine, 22, 53-64   [view file]

Schairer J F (1929) New mineral names, American Mineralogist, 14, 387-388   [view file]

Foshag W F (1940) Sodium bicarbonate (nahcolite) from Searles Lake, California, American Mineralogist, 25, 769-778   [view file]

Sass R L, Scheuerman R F (1962) The crystal structure of sodium bicarbonate, Acta Crystallographica, 15, 77-81

Hulsobosch N, Thomas R, Boiron M-C, Dewaele S, Muchez P (2017) Direct observation of boro-aluminosilicate melt compositions: Insights from Raman spectroscopy of melt inclusions in pegmatitic tourmaline of the Gatumba-Gitarama area (Rwanda), The Canadian Mineralogist, 55, 377-397