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Section: 6 Minerals and pigments (MP) Page: 73

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Details

IRUG filename:
IMP00073
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Chinese purple pigment, Han purple
Trade name(s):
Han color stick #4
Chemical/botanical name(s):
Barium copper silicate
CAS name:
Barium copper silicate (BaCu(SiO3)​2)
Sample source 1:
Han color stick No. 4
Sample source 2:
Royal Ontario Museum (ROM)
Source location 2:
100 Queens Park, Toronto, Ontario, Canada
Sample identifier 2:
Han color stick No. 4 (1953-57)
Color:
Purple
Age:
Dated 206 BC- AD 220
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 O6 Si2
Linear formula:
BaCuSi2O6
CAS registry no:
169122-88-7
Other analytical methods:
XRD (x-ray diffraction), film #F4847