Matched pair of blue sapphires, 1.23 ctw, from Rock Creek, Montana. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Blue Sapphire, 1.23 ct Faceted from United States
Matched pair of blue sapphires, 1.23 ctw, from Rock Creek, Montana. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: Ruby and Sapphire Origins
Credit: Joel E. Arem, PhD, FGA
| Gemstone | Sapphire, Corundum |
| Natural or man made | Natural |
| Origin | United States |
| Origin details | Rock Creek, Montana |
| Carat Weight | 1.23 |
| Gem State | Faceted |
| Color | Blue |
| Transparency | Transparent |