Scheelite spectra

Scheelite Visible Spectra (400 - 1000 nm)

When scheelite, CaWO₄, such as the crystal from the Green Horn Mountains, Kern County, California, has the nearly pure endmember composition, is is essentially colorless. Rare earth elements, particularly Nd and to a lesser extent, Pr, often give it color.

The scheelite absorption spectrum

GRR 2730 reflectance spectrum; from Skardu(?), Pakistan, taken with a reflectance fiber-optic probe in contact with a faceted gemstone. The color of this material comes, in part, from rare earth ions. Data File: reflectance
GRR 3152 spectrum; from Ping Wu, Sichuan Province, China, taken through a 3.624 mm thick yellow-orange crystal. The color of this material also comes, in part, from rare earth ions. Data Files: E perp c ; E parallel c.

Link to references about the spectra of Scheelite

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last upgraded 8-July-2022