Azurmalachite
From Antique Jewelry University
Gemological information
| 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 |
| 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 Acid |
| Light Sensitivity | Stabile |
| 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.