Section: 6 | Minerals and pigments (MP) | Page: 246 |
IRUG filename: RMP00246 | Data type: Raman | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Cornwallite, some phosphate substitution, phosphatian cornwallite | Chemical/botanical name(s): Copper arsenate hydroxide |
Sample source 1: Copper Stope, Majuba Hill Mine | Source location 1: Pershing County, Nevada, US | Sample source 2: Excalibur Mineral Company |
Source location 2: 1885 Seminole Trail, Charlottesville, VA, US | Sample identifier 2: Cornwallite | Color: Green |
Other: Qualitative EDS: Cu, As, low P | Application: Raman microscopy/microspectroscopy | Excitation source (nm): 532 |
Mode: Scat | Originating institution name: Rutgers University, Camden | Originating institution acronym: RU |
Linear formula: Cu5(AsO4)2(OH)4 (ideal) | Other analytical methods: EDS (energy dispersive spectroscopy), FTIR (Fourier transform infrared spectroscopy), SEM (scanning electron microscopy) |