Interactive IRUG Spectrum

Details

IRUG filename:
RMP00235
Data type:
Raman
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Ultramarine, natural, Pigment Blue 29 (PB29), CI77007
Chemical/botanical name(s):
Sodium calcium aluminum silicate sulfate
CAS name:
Lazurite
Sample source 1:
Forbes Pigment Collection, Fogg Art Museum (Harvard Art Museums)
Source location 1:
32 Quincy Street, Cambridge, MA 02138, US
Sample identifier 1:
8.02.23
Sample source 2:
Forbes Pigment Collection, Winterthur Museum
Source location 2:
5105 Kennett Pike, Winterthur, DE 19735, US
Sample identifier 2:
8.02.23
Color:
Blue
Application:
Raman microscopy/microspectroscopy
Excitation source (nm):
514
Mode:
Scat
Originating institution name:
Winterthur Museum, Garden & Library
Originating institution acronym:
WM
Linear formula:
(Na,Ca)7-8(Al,Si)12(O,S)24[(SO4),Cl2,(OH)2] (ideal)
CAS registry no:
1302-83-6