Parabutlerite Visible Spectra (350 - 1200 nm)
Parabutlerite has the formula Fe(SO4)(OH)·2H2O.
Image of the parabutlerite absorption spectrum
-
GRR
242 spectrum; from
Yzad, Iran. Plotted as 0.300 mm thick. The orange
color of
this material comes from Fe3+ and
varies considerably
with the direction in which it is observed because of magnetic
interactions. Data Files: E|| alpha;
E||
beta; E|| gamma.
- GRR 242 spectrum for a 0.022 mm thin sample with the 420 nm band on scale. Data Files: E|| alpha;
E|| gamma.
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