Interactive IRUG Spectrum

Details

IRUG filename:
IMP00377
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Lanthanite-(La)
Chemical/botanical name(s):
Hydrated normal carbonate (class), lanthanite (mineral group)
Sample source 1:
Vina de Uba
Source location 1:
Minas Gerais, Brazil
Sample source 2:
British Museum
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
BM1975,192
Sample source 3:
The Natural History Museum, National Museums of Scotland
Source location 3:
Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK
Color:
Pink, pale
Other:
The x-ray powder photograph matches PDF30-678 lanthanite (also La =approx. Nd), spectrum matches Suhner (5-59A) lanthanite, but has an extra peak at 1036 cm-1 possibly due to impurity
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., Atencio, D., R. E. Bevins, M. Fleischer, C. T. Williams, and P. A. Williams. "Revision of the Lanthanite Group and New Data for Specimens from Bastnas, Sweden, and Bethlehem U.S.A." Mineralogical Magazine 53.5 (1989): 639-42., Dal Negro, A., G. Rossi, and V. Tazzoli. "The Crystal Structure of Lanthanite." American Mineralogist 62.1, 2 (1977): 142-46.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Linear formula:
(La,Ce)2(CO3)3*8H2O
Other analytical methods:
EDS (La:Nd:Ce=approx. 1:10 (La slightly>Nd), SEM, XRD (8234F NHM std=lanthanite)