Sodalite group - UV-Vis spectra
Sodalite:
- Blue sodalite – sliced bead – Unknown origin
- Dark-violetish-blue sodalite – 18.20 ct rough – Unknown locality
- Strong-blue sodalite – 1.81 ct – Brazil
- Colorless sodalite - 0.70 ct - Afghanistan
- Light-violetish-blue sodalite var. hackmanite – 1.07 ct – Afghanistan
- Light-violetish-blue sodalite var. hackmanite – 3.73 ct rough – Afghanistan
- Pink sodalite var. hackmanite – 0.25 ct rough – Orford Nickel Mine, Quebec, Canada
- Light-violetish-blue sodalite var. hackmanite – 0.43 ct – Afghanistan
- Gray sodalite var. hackmanite – 0.91 ct – Burma
- Blue hauyne – 0.16 ct – Unknown locality
- Massive greenish-blue hauyne – 1.32 ct – Burma
- Massive greenish-blue hauyne – 2.26 ct – Burma
- Blue Hauyne – 0.07 ct – Eiffel, Germany
No spectrum, colorless material
The strong difference in absorption explains the strong violet color while the stone is in excited state after exposure to LWUV.
Not available