Section: 6 | Minerals and pigments (MP) | Page: 372 |
IRUG filename: IMP00372 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Desautelsite | Chemical/botanical name(s): Hydrated carbonate with hydroxyl or halogen (class), sjogrenite (mineral group) |
Source location 1: San Benito County, California (CA), US | Sample source 2: British Museum | Source location 2: Great Russell Street, London, WC1B-3DG, UK |
Sample identifier 2: BM1978,602 | Sample source 3: The Natural History Museum, National Museums of Scotland | Source location 3: Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK |
Other: Spectrum is similar to those of hydrotalcite, pyroaurite and sjogrenite | Application: Transmission FTIR spectroscopy | Mode: Tran |
Literature Reference: Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993. Dunn, P. J., D. R. Peacor, and T. D. Palmer. "Desautelsite, a New Mineral of the Pyroaurite Group." American Mineralogist 64.1, 2 (1979): 127-30. | Originating institution name: Natural History Museum, National Museums of Scotland | Originating institution acronym: NHM |
Molecular formula: C H24 Mg Mn O23 | Linear formula: Mg6Mn2(CO3)(OH)16*4H2O | Other analytical methods: EDS (Mg:Mn=6:1.3 with trace Si), SEM, XRD (20221 NHM std=desautelsite) |