| Section: 6 | Minerals and pigments (MP) | Page: 232 | 
IRUG filename: IMP00232  | Data type: Infrared  | IRUG material class: Minerals and pigments (MP)  | 
Sample type: Reference material  | Common name(s): Antlerite  | Chemical/botanical name(s): Copper sulfate hydroxide, basic copper sulfate, sulfate group  | 
CAS name: Antlerite (Cu3(OH)4(SO4))  | Source location 1: Chuquicamata, Provincia de El Loa, Antofagasta, Chile  | Sample source 2: Smithsonian Institution, National Museum of Natural History, Department of Mineral Sciences (NMNH)  | 
Source location 2: Washington, DC, US  | Sample identifier 2: R6076  | Sample source 3: Philadelphia Museum of Art  | 
Source location 3:  PO Box 7646, Philadelphia, PA, 19101, US  | Color: Green, light, translucent  | Application: MFTIR (Fourier transform infrared microspectroscopy)  | 
Mode: Tran  | Originating institution name: Philadelphia Museum of Art  | Originating institution acronym: PMA  | 
Molecular formula: H4 Cu3 O8 S  | Linear formula: (Cu2)3(SO4)(OH)4  | CAS registry no: 12019-54-4  | 
Density (g/cc): 3.93 g/cc, literature, Handbook of Mineralogy. Ed. John W. Anthony, Richard A. Bideaux, Kenneth W. Bladh, and Monte C. Nichols. Mineralogical Society of America, n.d. Web. 09 Dec. 2012. handbookofmineralogy.org  | Other analytical methods: XRF (x-ray fluorescence)  |