Cancrinite group - UV-Vis spectra Cancrinite group Index IR-Reflectance Photoluminescence UV-Vis-NIR Afghanite: Blue afghanite – 0.32 ct – Afghanistan Cancrinite-Vishnevite: Yellow cancrinite - 43.94 ct - Kola Peninsula, Russia Blue afghanite – 0.32 ct – Afghanistan Yellow cancrinite - 43.94 ct - Kola Peninsula, Russia No spectrum
