Interactive IRUG Spectrum

Details

IRUG filename:
IMP00452
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Northupite
Chemical/botanical name(s):
Anhydrous carbonate with hydroxyl or halogen (class), bastnasite (mineral group)
Source location 1:
Borax Lake, San Bernardino County, California, US
Sample source 2:
British Museum
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
BM1905,246
Sample source 3:
The Natural History Museum, National Museums of Scotland
Source location 3:
Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK
Color:
Gray, white
Other:
See Farmer for discussion of spectrum, the three strong peaks below 500 cm-1 are beyond the range shown by Adler and Kerr (1963b)
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., Maglione, G., and M. Carn. "Spectres Infrarouges Des Mineraux Slins Et Des Silicates Neoformes Dans Le Bassin Tchadien (Infrared Spectra of Saline and Silicate Minerals from the Chad Basin)." Fr., Off. Rech. Sci. Tech. Outre Mer, Cah., Ser. Geol. 7 (1975): 3-9., Pratt, J. H. "On Northupite: Pirssonite, a New Mineral: Gaylussite and Hanksite from Borax Lake, San Bernadino Co., California." American Journal of Science 4.2 (1896): 123-35., Pratt, J. H. "On Northupite: Pirssonite, a New Mineral: Gaylussite and Hanksite from Borax Lake, San Bernadino Co., California." Yale Bicen. Pub, Contr. Miner. 1901 (1896): 261-74., Pratt, J. H. "On Northupite: Pirssonite, a New Mineral: Gaylussite and Hanksite from Borax Lake, San Bernadino Co., California." Zeitschrift Fur Kristallographie 27 (1896): 416-29.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Molecular formula:
C2ClMgNa3O6
Linear formula:
Na3Mg(CO3)2Cl
Other analytical methods:
EDS (Na:Mg:Cl=approx. 3:1.2:1 with trace Si), SEM, XRD (7884F=northupite NHM std)