SODALITE

Massive, square-shaped, faceted sodalite cabochon set in a handmade sterling silver ring
Photo courtesy of Scott Papper, GIA GG, AJP, CMA (NAJA), Global Gemology & Appraisals
Species:  Sodalite
​​Mohs Hardness:  5.5 to 6 out of 10
Color:  Typically a deep blue hue, but can also occur in gray, yellow, orange or pink.
RI:  1.483 (+/-0.004)
Birefringence:  None
SR/DR/AGG:  SR
Spectrum:  Usually not diagnostic
Fluorescence:  Might fluoresce patchy orange or red under LW and SW.
SG:  2.25
Routine Treatments:  None
Additional Enhancements:  Heating, irradiation

Sodalite Facts

Massive, square-shaped, faceted sodalite cabochon set in a handmade sterling silver ring
Photo courtesy of Scott Papper, GIA GG, AJP, CMA (NAJA), Global Gemology & Appraisals

​Sodalite is typically a deep blue color with white veins running through it.

Sodalite was discovered in Greenland, in 1806.

Sodalite deposits are currently found in Brazil (Bahia), Greenland, Canada (Ontario), Namibia, Russia (the Urals), and the United States (Montana).