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Section: 6 Minerals and pigments (MP) Page: 401

 Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
IMP00401
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Pigment
Chemical/botanical name(s):
Acid carbonate (class), nesquehonite (mineral group)
Source location 1:
Nesquehoning, Lansford, Carbon County, Pennsylvania, US
Sample source 2:
Washington State Patrol, Washington State Crime Laboratory
Source location 2:
2203 Airport Way South, Seattle, WA, 98104, US
Sample identifier 2:
BM1921,53
Sample source 3:
The Natural History Museum, National Museums of Scotland
Source location 3:
Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK
Color:
White
Other:
Specimen may be a mixture due to conversions to/from giorgiosite Mg5(CO3)4(OH)25H20 but spectrum is close to that of nesquehonite shown in Farmer
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., Suzuki, J., and M. Ito. "Nesquehonite from Yoshikawa, Aichi Prefecture, Japan: Occurance and Thermal Behavior." Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 69.8 (1974): 275-84., White, W. B. "Infrared Characterization of Water and Hydroxyl Ion in the Basic Magnesium Carbonate Minerals." American Mineralogist 56.1, 2 (1971): 46-53.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Molecular formula:
CH10MgO8
Linear formula:
Mg(HCO3)(OH)*2H2O
Other analytical methods:
EDS (Mg with trace Si, Na, Ca, Cl), SEM, XRD (7829F NHM std=nesquihonite (+ giorgiosite))