Aragonite group - PL spectra
Aragonite:
- Blue aragonite – 35.85 ct – Sainte-Marie-Aux-Mines, Haut-Rhin, France
- Aragonite layer of green to reddish-orange ammolite (top) - 10.66 ct - Canada
- Greenish-white aragonite – 54.80 ct cab – Brazil
- White strontio-aragonite – rough – Italy
- Colorless aragonite – 0.71 ct – (Brazil)
No spectrum