Nesquehonite R050639



Name: Nesquehonite
RRUFF ID: R050639
Ideal Chemistry: Mg(CO3)·3H2O
Locality: Nesquehoning, Pennsylvania, USA
Source: University of Arizona Mineral Museum 2903 [view label]
Owner: RRUFF
Description: White to colorless bladed crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Nesquehonite samples (2) ]
CHEMISTRY 
RRUFF ID: R050639.2
Sample Description: Microprobe Fragment
Measured Chemistry: Mg1.00(HCO3)(OH)ยท2H2O ; C and H not measured but estimated by difference and charge balance
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050639
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050639.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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POWDER DIFFRACTION 
RRUFF ID: R050639.1
Sample Description: Powder
Cell Refinement Output: a: 7.6999(6)Å    b: 5.3634(3)Å    c: 12.1192(6)Å
alpha: 90°    beta: 90.2(1)°    gamma: 90°   Volume: 500.49(5)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 Nesquehonite

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]

Genth F A, Penfield S L (1890) On lansfordite, nesquehonite, a new mineral, and pseudomorphs of nesquehonite after lansfordite, American Journal of Science, 39, 121-137   [view file]

Stephan G W, MacGillavry C H (1972) The crystal structure of nesquehonite, MgCO3·3H2O, Acta Crystallographica, B28, 1031-1033

Giester G, Lengauer C L, Rieck B (2000) The crystal structure of nesquehonite, MgCO3·3H2O, from Lavrion, Greece, Mineralogy and Petrology, 70, 153-163

Garvie L A J (2003) Decay-induced biomineralization of the saguaro cactus (Carnegiea gigantea), American Mineralogist, 88, 1879-1888   [view file]

Hales M C, Frost R L, Martens W N (2008) Thermo-Raman spectroscopy of synthetic nesquehonite - implication for the geosequestration of greenhouse gases, Journal of Raman Spectroscopy, 39, 1141-1149