Interactive IRUG Spectrum

Details

IRUG filename:
IMP00104
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Ultramarine, genuine (natural), Pigment Blue 29 (PB29), CI77007
Chemical/botanical name(s):
Sodium calcium aluminum silicate sulfate, Sodalite group, Silicate class
CAS name:
Lazurite
Sample source 1:
Roberson
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
Age:
1933, dated, 65 yrs, at least
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Originating institution name:
Philadelphia Museum of Art
Originating institution acronym:
PMA
Linear formula:
(Na,Ca)7-8(Al,Si)12(O,S)24[(SO4),Cl2,(OH)2]
CAS registry no:
1302-83-6