Lapis Lazuli
| Gemstone Properties | |||
| PRODUCT NAME: | Lapis Lazuli | Chemical Composition: | Al2O3, Aluminum Oxide |
| MOHS Hardness: | 6.5-7.5 | Specific Gravity: | 3.9-4.1 |
| Refractive Index: | 1.76-1.78 | Other Information: | Info here |
| Common Enhancements: | Dyeing, Waxing, Oiling | Special Care: | Avoid exposure to acids, heat and ultrasonic cleaners |
Lapis Lazuli Information Here
