| Section: 6 | Minerals and pigments (MP) | Page: 207 | 
| IRUG filename: IMP00207 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) | 
| Sample type: Reference material | Common name(s): Glaucophane | Chemical/botanical name(s): Amphibole group, silicate class | 
| CAS name: Glaucophane (Al2Mg3Na2H2(SiO3)8) | Source location 1: North Berkeley Hills, California, US | Sample source 2: Smithsonian Institution, National Museum of Natural History, Department of Mineral Sciences (NMNH), Russell Feather | 
| Source location 2: PO Box 37012, MRC 119, Washington, DC, 20013, US | Sample identifier 2: 166550 | Sample source 3: Philadelphia Museum of Art, Scientific Laboratory | 
| Source location 3:  PO Box 7646, Philadelphia, PA, 19101, US | Color: Blue | Application: MFTIR (Fourier transform infrared microspectroscopy) | 
| Mode: Tran | Originating institution name: Philadelphia Museum of Art | Originating institution acronym: PMA | 
| Linear formula: Na2Mg3Al2[Si8O22](OH)2 (ideal) | CAS registry no: 61158-93-8 | Other analytical methods: XRF (x-ray fluorescence) |