Nesquehonite R070764

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Record 2 of 2  


Name: Nesquehonite
RRUFF ID: R070764
Ideal Chemistry: Mg(CO3)·3H2O
Locality: Tucson, Arizona, USA from the interior of a rotting saguaro cactus
Source: Hexiong Yang
Owner: RRUFF
Description: Aggregates of light brown platy crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Nesquehonite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070764
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 10% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070764.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.6922(7)Å    b: 5.3556(4)Å    c: 12.102(1)Å
alpha: 90°    beta: 90.073(6)°    gamma: 90°   Volume: 498.57(9)Å3    Crystal System: monoclinic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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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