Section: 6 | Minerals and pigments (MP) | Page: 188 |
IRUG filename: IMP00188 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Goethite | Chemical/botanical name(s): Diaspore group, oxide/hydroxide class |
CAS name: Goethite (Fe(OH)O) | Source location 1: Marquette County, MI, US | Sample source 2: Smithsonian Institution, National Museum of Natural History, Department of Mineral Sciences (NMNH) |
Source location 2: Washington, DC, 20560, US | Sample identifier 2: 93710 | Sample source 3: Philadelphia Museum of Art, Scientific Laboratory |
Source location 3: Box 7646, Philadelphia, PA, 19101, US | Color: Reddish-brown to black, dark, opaque | Application: MFTIR (Fourier transform infrared microspectroscopy) |
Mode: Tran | Originating institution name: Philadelphia Museum of Art | Originating institution acronym: PMA |
Linear formula: Alpha-FeO(OH) | CAS registry no: 1310-14-1 | Other analytical methods: XRF |