Scheelite series - UV-Vis spectra Scheelite series Index IR-Reflectance Photoluminescence UV-Vis-NIR Powellite: Light-yellow powellite – 4.51 ct – Aurangabad District, Maharashtra State, India Scheelite: Yellow scheelite – 3.77 ct – Madagascar Orange scheelite – 15.96 ct – China Coloreless scheelite – 0.40 ct – California, USA Light-yellow powellite – 4.51 ct – Aurangabad District, Maharashtra State, India Yellow scheelite – 3.77 ct – Madagascar Orange scheelite – 15.96 ct – China Coloreless scheelite – 0.40 ct – California, USA