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Journal of Spectroscopy
/
2024
/
Article
/
Tab 3
/
Research Article
Gemological and Spectral Characteristics of Gem-Quality Blue Gahnite from Nigeria
Table 3
Infrared spectral absorption wavenumber (cm
−1
) comparison of gahnite.
T
1u
Gahnite
Gahnite
Gahnite
Gahnite nanopowder
Assignment
This work
[
6
]
[
12
]
[
8
]
510
505
505
498
Zn—O
559
550
560
573
Zn—O
664
660
665
658
Al—O
—
—
745
813
Al—O