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