Interactive IRUG Spectrum

Details

IRUG filename:
IMP00333
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Alstonite with minor amount of strontium
Chemical/botanical name(s):
Anhydrous normal carbonate (class), aragonite (mineral group)
CAS name:
Alstonite (BaCa(CO3)2)
Sample source 1:
Brownley Hill Mine
Source location 1:
Nenthead, Alston, Cumbria, UK
Sample source 2:
British Museum
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
BM41707
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:
Trimorphous w/ barytocalcite and paralstonite, spectrum differs from that of paralstonite only in the 700 cm-1 region and is similar to, but distinguishable from, that of barytocalcite, compare spectrum with those of other members of aragonite group
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., Kaushansky, P., and S. Yariv. "The Interaction between Calcite Particles and Aqueous Solutions of Magnesium, Barium or Zinc Chlorides." Applied Geochemistry 1.5 (1986): 607-18., Rossman, G. R., and R. L. Squires. "The Occurence of Alstonite at Cave-in-Rock, Illinois." Mineralogical Record 5.6 (1974): 266-69., Scheetz, B. E., and W. B. White. "Vibrational Spectra of the Alkaline Earth Double Carbonates." American Mineralogist 62.12 (1977): 36-50.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Molecular formula:
C2 Ba Ca O6
Linear formula:
BaCa(CO3)2
CAS registry no:
24189-28-4
Other analytical methods:
EDS (Ba:Ca:Sr=1:1:0.2), SEM, XRD (7451F NHM std)