Photo © AIGS Lab, Bangkok. Used with permission.
Red Ruby Rough, Fracture/cavity filling
Photo © AIGS Lab, Bangkok. Used with permission.
Article: Ruby-Glass Composites vs Leaded Glass Clarity Enhancements
Credit: AIGS Lab
| Gemstone | Ruby, Corundum |
| Treatments | fracture/cavity_filling |
| Natural or man made | Natural |
| Gem State | Rough |
| Color | Red |