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Section: 6 Minerals and pigments (MP) Page: 349

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Details

IRUG filename:
IMP00349
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Gaylussite
Chemical/botanical name(s):
Hydrated normal carbonate (class), gaylussite (mineral group)
Sample source 1:
Lake Amboseli
Source location 1:
Nairobi, Kenya
Sample source 2:
British Museum
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
BM1974,217
Sample source 3:
The Natural History Museum, National Museums of Scotland
Source location 3:
Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK
Color:
Colorless
Other:
Spectrum matches those from specimens from other localities, also that of Adler & Kerr, but not that in Sadtler (80), spectrum is easily distinguishable from that of the lower hydrate, pirssonite
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993. Adler, H. H., and P. F. Kerr. "Infrared Spectra, Symmetry and Structure Relations of Some Carbonate Minerals." American Mineralogist 48 (1963): 839-53. Dickens, B., and W. E. Brown. "The Crystal Structure of CaNa2(CO3)*5H2O, Synthetic Gaylussite, and CaNa2(CO3)2*2H2O, Synthetic Pirssonite." Inorganic Chemistry 8 (1969): 2093-103., Maglione, G., and M. Carn. "Infrared Spectra of Saline and Silicate Minerals from the Chad Basin." Fr., Off. Rech. Sci. Tech. Outre Mer, Cah., Ser. Geol. 7.1 (1975): 3-9. White, W. B. "The Carbonate Minerals." The Infrared Spectra of Minerals. Ed. V. C. Farmer. Monograph 4 ed. London: Mineralogical Society of London, 1974. 227-84.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Molecular formula:
C2 H10 Ca Na2 O11
Linear formula:
Na2Ca(CO3)2*5H2O
Other analytical methods:
EDS (Na & Ca only), SEM, XRD (7854F NHM std)