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Interactive IRUG Spectrum

Section: 6 Minerals and pigments (MP) Page: 228

 Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
RMP00228
Data type:
Raman
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Ultramarine, French, Pigment Blue 29 (PB29), CI77007
Chemical/botanical name(s):
Sodium calcium aluminum silicate sulfate
Sample source 1:
Weber
Sample source 2:
Forbes Pigment Collection, Fogg Art Museum (Harvard Art Museums)
Source location 2:
32 Quincy St, Cambridge, MA 02138, US
Sample identifier 2:
8.02.12
Sample source 3:
Forbes Pigment Collection, Winterthur Museum
Source location 3:
5105 Kennett Pike, Winterthur, DE 19735, US
Color:
Blue
Age:
1929, dated
Application:
Raman microscopy/microspectroscopy
Excitation source (nm):
514
Mode:
Scat
Originating institution name:
Winterthur Museum, Garden & Library
Originating institution acronym:
WM
Linear formula:
3Na2O*3Al2O3*6SiO2*2Na2S, approximately