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Interactive IRUG Spectrum

Section: 6 Minerals and pigments (MP) Page: 64

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


Details

IRUG filename:
IMP00064
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Art object / artifact
Common name(s):
Chinese blue pigment, Han blue
Trade name(s):
Han color stick No. 3
Chemical/botanical name(s):
Barium copper silicate, Barium copper silicon oxide (BaCaSi4O10)
CAS name:
Silicic acid (H2Si2O5)​, barium copper(2+) salt (2:1:1)
Sample source 1:
Han color stick No. 3
Sample source 2:
Royal Ontario Museum
Source location 2:
100 Queens Park, Toronto, ON, M5S 2C6, Canada
Color:
Blue
Refractive index
(NaD20):
1.593-1.633
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Literature Reference:
FitzHugh, E. W., and L. Zycherman. "An Early Man-made Blue Pigment from China-Barium Copper Silicate." Studies in Conservation 28 (1983): 15-23.
Originating institution name:
Freer Gallery of Art, Smithsonian Institution
Originating institution acronym:
FGA
Molecular formula:
Ba Cu O10 Si4
Linear formula:
BaCuSi4O10
CAS registry no:
16482-38-5