“Sapphire,” 0.81 cts, fancy Barion Superman cut, Montana. © Dan Stair Custom Gemstones. Used with permission.
Blue Sapphire, 0.81 ct Faceted from United States
"Sapphire," 0.81 cts, fancy Barion Superman cut, Montana. © Dan Stair Custom Gemstones. Used with permission.
Article: Corundum Polishing Survey Results
Credit: Dan Stair Custom Gemstones
| Gemstone | Sapphire, Corundum |
| Natural or man made | Natural |
| Origin | United States |
| Origin details | Montana |
| Carat Weight | 0.81 |
| Gem State | Faceted |
| Color | Blue |
| Transparency | Transparent |
| Multi-color | Bi-color |