Interactive IRUG Spectrum

Details

IRUG filename:
IMP00445
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Benstonite
Chemical/botanical name(s):
Anhydrous normal carbonate (class), huntite (mineral group)
Sample source 1:
Cave-in-Rock
Source location 1:
Hardin County, Illinois (IL), US
Sample source 2:
British Museum
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
BM1968,628
Sample source 3:
The Natural History Museum, National Museums of Scotland
Source location 3:
Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK
Color:
Yellow, pale
Other:
Spectrum displays a closer relationship to the aragonite, rather than the calcite group, see Farmer (1974) pp. 28-259 for discussion and comparison of alkaline earth double carbonates, compare alstonite and barytocalcite
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993. Scheetz, B. E., and W. B. White. "Vibrational Spectra of the Alkaline Earth Double Carbonates." American Mineralogist 62.1, 2 (1977): 36-50.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Linear formula:
(Ba,Sr)6(Ca,Mn)6Mg(CO3)13
Other analytical methods:
EDS (Ba:Sr:Ca:Mn:Mg=2.4:0.2:3.1:0:1 with trace Na & Pb), SEM, XRD (13487 NHM std)