Section: 6 | Minerals and pigments (MP) | Page: 6 |
IRUG filename: IMP00006 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Pompeian blue, Pigment Blue 31 (PB31), CI77437 | Chemical/botanical name(s): Cuprorivaite, calcium copper silicate, C.I. Pigment Blue 31 |
CAS name: Cuprorivaite (CaCu(Si2O5)2) | Sample source 1: LeFranc | Sample source 2: Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum |
Source location 2: 32 Quincy St, Cambridge, MA, 02138, US | Sample identifier 2: 8.01.1 | Color: Blue |
Age: 1929 | Application: MFTIR (Fourier transform infrared microspectroscopy) | Mode: Tran |
Originating institution name: Straus Center for Conservation, Harvard University Art Museums | Originating institution acronym: HUAM | Linear formula: CaCuSi4O10 |
CAS registry no: 15843-33-1 (cuprorivaite), 945558-75-8 (PB31) | Other analytical methods: XRD (x-ray diffraction) |