| Section: 6 | Minerals and pigments (MP) | Page: 186 | 
| IRUG filename: IMP00186 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) | 
| Sample type: Reference material | Common name(s): Paragonite | Chemical/botanical name(s): Mica group, silicate class | 
| CAS name: Paragonite (Al3NaH2(SiO4)3)  | Source location 1: Borgo Franco Fenestrelle, Valle Del Chisone, Torino, Piedmont, Italy (IT) | 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: R4416 | Sample source 3: Philadelphia Museum of Art, Scientific Laboratory | 
| Source location 3: Box 7646, Philadelphia, PA, 19101, US | Color: White, opaque | Application: MFTIR (Fourier transform infrared microspectroscopy) | 
| Mode: Tran | Originating institution name: Philadelphia Museum of Art | Originating institution acronym: PMA | 
| Linear formula: NaAl2(Si3Al)O10(OH)2 (ideal) | CAS registry no: 12026-53-8 | Density (g/cc): 2.78 | 
| Other analytical methods: XRF |