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Section: 6 Minerals and pigments (MP) Page: 431

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


Details

IRUG filename:
IMP00431
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Witherite
Chemical/botanical name(s):
Anhydrous normal carbonate (class), aragonite (mineral group)
CAS name:
Witherite (Ba(CO3)​)
Sample source 1:
Fallowfield Mine
Source location 1:
Hexham, Northumbria, County Durham, UK
Sample source 2:
BM26683
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
British Museum
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:
Spectrum is identical with those of samples from other localities, compare spectrum with those of other members of the aragonite group
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Anatassov, V., M. Vassileva, and R. Goranova. "Carbonates with Aragonite Type Structure (aragonite, Witherite and Cerussite) in the Kremikotvsi Deposit." Annal of the Higher Institute of Mining & Geology, Sofia, Part 1, Geology 35 (1989)., Decius, J. C., O. G. Malan, and H. W. Thompson. "The Effects of Intermolecular Forces upon the Vibration of Molecules in the Crystalline State 1. The Out-of-plane Bending of the Carbonate Ion in Aragonite Minerals." Proceedings of the Royal Society of London, Series A 275 (1963): 295-309., Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., White, W. B. "The Carbonate Minerals." The Infrared Spectra of Minerals. Ed. V. C. Farmer. Monograph 4 ed. London: Mineralogical Society of London, 1974. 227-84.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Molecular formula:
C Ba O3
Linear formula:
BaCO3
CAS registry no:
14941-39-0
Other analytical methods:
EDS (Ba only), SEM, XRD