| Section: 6 | Minerals and pigments (MP) | Page: 227 | 
IRUG filename: IMP00227  | Data type: Infrared  | IRUG material class: Minerals and pigments (MP)  | 
Sample type: Reference material  | Common name(s): Anhydrite (from bassinite specimen)  | CAS name: Anhydrite (Ca(SO4))  | 
Sample source 1: Twenty Mule Team Canyon; Death Valley National Monument  | Source location 1: Inyo Co., California, US  | Sample source 2: Department of Mineral Sciences, Natural Museum of Natural History, Smithsonian Institution  | 
Source location 2: Washington, DC, 20560, US  | Sample identifier 2: 124370  | 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  | 
Molecular formula: Ca O4 S  | Linear formula: CaSO4  | CAS registry no: 14798-04-0  |