Apophyllite Visible-NIR  Spectra (300 - 2000 nm)

The aphophyllite absorption spectrum

• GRR 140 spectrum; This crystal is pale green and is typical for the vanadium-containing crystals  from many quarries in India. This one comes from Poona (now Pune), India.  The color comes from the VO₂²⁺ cation. The thickness is 2.40 mm. Data Files: E perpendicular to c; E \\c.

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updated 13-May-2018