Spec4Gem - Aragonite group - IR Reflectance spectra

Aragonite group - IR Reflectance spectra

Aragonite:

Cerussite:

Band (cm^-1)	Attributions	References
679	CO₃^2- ν4 in plane bend -> Cerussite
700	CO₃^2- ν4 in plane bend -> Aragonite
711	CO₃^2- ν4 in plane bend -> Calcite & Aragonite
840 - 890	CO₃^2- ν2 out of plane bend
~1400 - 1500	CO₃^2- ν3 asymetric strech

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

Not available

Colorless aragonite – 0.71 ct – (Brazil)

Colorless cerussite – 1.40 ct – Marocco

Colorless cerussite – 60 ct crystal – Marocco