Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 100

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Details

IRUG filename: IMP00100	Data type: Infrared	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Pompei blue, nearly identical to Egyptian blue, Pigment Blue 31 (PB31), CI77437	CAS name: Silicic acid (H2Si2O5), calcium copper(2+) salt (2:1:1), C.I. Pigment Blue 31
Sample source 1: Lefranc	Source location 1: Paris	Sample source 2: Forbes Pigment Collection, Straus Conservation Center, Fogg Art Museum
Source location 2: 32 Quincy St, Cambridge, MA 02138	Sample source 3: Forbes Pigment Collection Subset, Philadelphia Museum of Art, Scientific Laboratory, Marigene Butler	Source location 3: Box 7646, Philadelphia, PA, 19101, US
Color: Blue	Application: MFTIR (Fourier transform infrared microspectroscopy)	Mode: Tran
Originating institution name: Philadelphia Museum of Art	Originating institution acronym: PMA	Linear formula: CaCu(Si2O5)2
CAS registry no: 10279-60-4, 945558-75-8 (PB31)