Cavansite Visible Spectra (350 - 1050 nm)
The cavansite
absorption spectrum. Ca(VO)Si4O10·4H2O
- GRR
1888 spectrum; from near Wagholi, Pune District,
Maharashtra, India, 0.105 mm thick sample. The color of this material
comes from the VO2+ ion and varies considerably
with the direction in which it is observed. It is blue
when polarized perpendicular to the prism axis to colorless
when parallel.. Data Files: E||a=beta; E||c=gamma;
Link to a reference to the visible spectroscopy of cavansite
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revised
13-Aug-2025
