Section: 6 | Minerals and pigments (MP) | Page: 68 |
IRUG filename: IMP00068 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Diatomaceous earth | Chemical/botanical name(s): Silicon dioxide (amorphous), primarily |
CAS name: Diatomite | Sample source 1: US National Museum of Natural History | Source location 1: Washington, DC, US |
Sample source 2: Smithsonian Institution, National Museum of Natural History (NMNH), Department of Mineral Sciences | Color: White | Application: MFTIR (Fourier transform infrared microspectroscopy) |
Mode: Tran | Originating institution name: Freer Gallery of Art, Smithsonian Institution | Originating institution acronym: FGA |
Linear formula: SiO2, primarily | CAS registry no: 61790-53-2 | Other analytical methods: PLM (polarized light microscopy) |