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Interactive IRUG Spectrum

Section: 6 Minerals and pigments (MP) Page: 218

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


Details

IRUG filename:
IMP00218
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Turquoise
Chemical/botanical name(s):
Hydrated basic copper aluminum phosphate, turquoise group, phosphate class
CAS name:
Turquoise (Al6CuO4(PO4)4.9H2O)
Source location 1:
Royston, Nevada, US
Sample source 2:
Smithsonian Institution, National Museum of Natural History, Department of Mineral Sciences (NMNH)
Source location 2:
Washington, DC, 20560, US
Sample identifier 2:
117679 1
Sample source 3:
Philadelphia Museum of Art, Scientific Laboratory
Source location 3:
Box 7646, Philadelphia, PA, 19101, US
Color:
Blue-green, opaque
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Originating institution name:
Philadelphia Museum of Art
Originating institution acronym:
PMA
Linear formula:
CuAl6(PO4)4(OH)8*4H2O
CAS registry no:
1319-32-0
Other analytical methods:
XRF (x-ray fluorescence)