| Section: 6 | Minerals and pigments (MP) | Page: 92 | 
IRUG filename: IMP00092  | 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 Berkley Hills, California (CA), 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: 166550  | Sample source 3: Philadelphia Museum of Art, Scientific Laboratory  | 
Source location 3: Box 7646, Philadelphia, PA, 19101, US  | Color: Grey, medium, opaque  | 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  |