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Interactive IRUG Spectrum

Section: 6 Minerals and pigments (MP) Page: 205

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


Details

IRUG filename:
IMP00205
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Epidote
Chemical/botanical name(s):
Calcium aluminum iron silicate hydroxide, epidote group, silicate class
CAS name:
Epidote ([Al2(Fe0.5-1Al0-0.5)]Ca2(OH)(SiO4)3) 1318-49-6
Sample source 1:
Copper Mountain
Source location 1:
Prince of Wales Island, Alaska (AK), 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:
R 7782 27
Sample source 3:
Philadelphia Museum of Art, Scientific Laboratory
Source location 3:
Box 7646, Philadelphia, PA, 19101, US
Color:
Black, dark, nearly opaque
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Originating institution name:
Philadelphia Museum of Art
Originating institution acronym:
PMA
Molecular formula:
Ca2(Fe,Al)3(SiO4)3OH (ideal)
Linear formula:
1318-49-6
Other analytical methods:
XRF