Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 461

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Details

IRUG filename: IMP00461	Data type: Infrared	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Callaghanite	Chemical/botanical name(s): Hydrated carbonate with hydroxyl or halogen (class), hydromagnesite (mineral group)
Sample source 1: Basic Mining Co.	Source location 1: Gabbs, Nye County, Nevada, US	Sample source 2: British Museum
Source location 2: Great Russell Street, London, WC1B-3DG, UK	Sample identifier 2: BM1978,334	Sample source 3: The Natural History Museum, National Museums of Scotland
Source location 3: Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK	Color: Violet, blue	Other: Spectrum matches that given in Suhner (5-41 A) for callaghanite from the same locality
Application: Transmission FTIR spectroscopy	Mode: Tran	Literature Reference: Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., Beck, C. W., and J. H. Burns. "Callaghanite, a New Mineral [Nev.]." American Mineralogist 39.7, 8 (1954): 630-35., Brunton, G. "Refinement of the Callaghanite Structure." American Mineralogist 58.56 (1973): 551.
Originating institution name: Natural History Museum, National Museums of Scotland	Originating institution acronym: NHM	Molecular formula: C H10 Cu2 Mg2 O11
Linear formula: Cu2Mg2(CO3)(OH)6*2H2O	Other analytical methods: EDS (Cu:Mg=2:1.2 with trace Si & S), SEM, XRD (7960F NHM std)