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Section: 6 Minerals and pigments (MP) Page: 497

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


Details

IRUG filename:
IMP00497
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Nyerereite
Chemical/botanical name(s):
Anhydrous normal carbonate (class), eitelite (mineral group)
Sample source 1:
Oldoinyo Lengai Volcano
Source location 1:
Tanzania
Sample source 2:
Royal Ontario Museum
Source location 2:
Canada
Sample identifier 2:
M42171
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:
Nyerereite may be identical to natrofairchildite, compare spectrum with those of the calcite and dolomite group minerals
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Frankis, E. J., and D. McKie. "Subsolidus Relations in the System Na2CO3CaCO3*H2O." Nature 246 (1973): 124-26., Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., McKie, D., and E. J. Frankis. "Nyerereite: A New Volcanic Carbonate Mineral from Oldoinyo Lengai, Tanzania." Zeitschrift Fur Kristallographie 145 (1977): 73-95.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Molecular formula:
C2 Ca Na2 O6
Linear formula:
Na2Ca(CO3)2
Other analytical methods:
EDS (Na:Ca:K=1.6:1.0:0.4 with minor Sr, Mg, S and trace P, Ba), SEM, XRD (8200F NHM std)