Section: 6 | Minerals and pigments (MP) | Page: 459 |
IRUG filename: IMP00459 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Sphaerocobaltite | Chemical/botanical name(s): Anhydrous normal carbonate (class), calcite (mineral group) |
CAS name: Sphaerocobaltite (Co(CO3)) | Sample source 1: Musonoi Mine | Source location 1: Kolwezi, Shaba, Zaire |
Sample source 2: British Museum | Source location 2: Great Russell Street, London, WC1B-3DG, UK | Sample identifier 2: BM1967,287 |
Sample source 3: The Natural History Museum, National Museums of Scotland | Source location 3: Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK | Color: Pink, dark |
Other: Specimens with high cobalt content are rare and many 'sphaerocobaltites' are cobaltian dolomite, compare spectrum with those of other members of the calcite 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., Weir, C. E., and E. R. Lippincott. "Infrared Study of Aragonite, Calcite and Vaterite Type Structures in the Borates, Carbonates and Nitrates." Journal of Research, National Bureau of Standards 65.A (1961): 173-83., 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 Co O3 | Linear formula: CoCO3 | CAS registry no: 14476-13-2 |
Other analytical methods: EDS (Co:Mg=approz. 1:0.4 with trace Ca,Fe,Mn.Sr), SEM, XRD (6259F NHM std) |