Metavoltine Visible Spectra (300 - 1200 nm)
A synthetic compound related to metavoltine, K5Fe2+[(H2O)3(SO4)6Fe3O]·7H2O, that contains isolated triangular-planar Fe3O units found in metvoltine.
The coordination environment is completed by water molecules trans to the central oxide ion (Thich et al, 1980)
Image of the absorption spectrum
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GRR 147 spectrum; synthetic phase related to metvoltine. 0.034 mm thick.
- GRR 147 spectrum; synthetic phase related to metavoltine. 0.160 mm thick
It is red-brown when polarized E\\a and greenish-yellow when polarized E\\c
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