Gemstone | Crystal System | Density | Hardness | Refractive index | Treatments |
Ivory |
organic | 1.85 | 2.25-2.75 | 1.54 | dying, bleaching |
Color: Durability:: Localities:
|
|
Gemstone | Crystal System | Density | Hardness | Refractive index | Treatments |
Ivory |
organic | 1.85 | 2.25-2.75 | 1.54 | dying, bleaching |
Color: Durability:: Localities:
|
|