Gemological Information for Azurite
Color: | Dark Brown, Light to Dark Green, Yellow & Black |
Crystal Structure: | Monoclinic |
Refractive Index: | 1.730 – 1.836 |
Durability: | 1.730 – 1.836 |
Hardness: | 6 to 7 |
Family: | |
Similar Stones: | Benitoite, Lapis Lazuli, Azurmalachite |
Treatments: | Wax or Epoxy Impregnation |
Country of Origin: | U.S., France, Republic of Namibia |
Azurite Care
Ultrasonic Cleaning: | Never |
Steam Cleaning: | Never |
Warm Soapy Water: | Safe - No Abrasives |
Chemical Attack: | Attacked by Acids |
Light Sensitivity: | Stable |
Heat Sensitivity: | Breaks Down |
Further Resources
Gems & Gemology: The Quarterly Journal of The Gemological Institute of America.
Azurite:
- Fall 1960, Azurite and its Absorption Spectrum, p. 71, 1p.