Interactive IRUG Spectrum

IMP00006 Pompeian blue; Forbes Collection; 8.01.1; SCC; tran

4500

4198

3897

3595

3294

2992

2691

2389

2088

1786

1485

1183

882

580

0.04

0.37

0.70

1.03

1.36

Submitter

Section: 6

Minerals and pigments (MP)

Page: 6

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Details

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)