Autunite Visible Spectra (400 - 1000 nm)

Image of the autunite absorption spectrum

• Autunite spectrum; from the Daybreak Mine near Spokane, Washington, USA, 0.092 mm thick sample. This mineral contains the UO₂²⁺ ion which is responsible for all the structure in the spectrum.  The spectrum was obtained in the E perpendicular to c direction on a cleavage plate.
  

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