Gemological Information for Azurmalachite
Color: | Patterned Blue and Green |
Crystal Structure: | Rock |
Refractive Index: | 1.655 to 1.909 (Malachite) and 1.730 to 1.836 (Azurite) |
Durability: | Poor |
Hardness: | 3.5 to 4 |
Family: | |
Similar Stones: | Azurite, Malachite, Chlorastrolite, Lapis Lazuli |
Treatments: | Paraffin or Resin Impregnation |
Country of Origin: | France, Namibia, U.S., Australia, England, Romania, Russia, Zaire |
Azurmalachite Care
Ultrasonic Cleaning: | Never |
Steam Cleaning: | Never |
Warm Soapy Water: | Safe if Done Carefully |
Chemical Attack: | Attacked by Acids |
Light Sensitivity: | Stable |
Heat Sensitivity: | Affected |
Sources
- Gem Reference Guide, Los Angeles: Gemological Institute of America, 1988. Pp. 22-23.
- Schumann, Walter. Gemstones of the World, New York: Sterling Publishing, Co., 1977. Pp. 29.