Grandidierite - UV-Vis spectra
- Green-blue grandidierite – almost opaque rough – Madagascar (2014)
- Greenish-blue grandidierite – 3.79 ct – Tulear, Madagascar (2016)
- Greenish-blue grandidierite – 4.69 ct – Tulear, Madagascar (2016)
- Greenish-blue grandidierite – 6.16 ct – Tulear, Madagascar (2016)
- Greenish-blue grandidierite – 7.93 ct – Tulear, Madagascar (2016)
- Slightly greenish-blue grandidierite – 0.30 ct – Tulear, Madagascar (2017)
