
Red Ruby Faceted Round Cut, Heat-Treated
Article: Specific Gravity Testing Part 1: Definitions
| Gemstone | Ruby, Corundum |
| Treatments | Heat Treatment |
| Natural or man made | Natural |
| Gem State | Faceted |
| Color | Red |
| Transparency | Transparent |

Article: Specific Gravity Testing Part 1: Definitions
| Gemstone | Ruby, Corundum |
| Treatments | Heat Treatment |
| Natural or man made | Natural |
| Gem State | Faceted |
| Color | Red |
| Transparency | Transparent |