This large sapphire crystal from California is still attached to its metamorphic host rock. © Rob Lavinsky, www.iRocks.com. Used with permission.
Opaque Blue Sapphire Specimen from United States
This large sapphire crystal from California is still attached to its metamorphic host rock. © Rob Lavinsky, www.iRocks.com. Used with permission.
Article: How Do Rubies and Sapphires Form?
Credit: www.iRocks.com
| Gemstone | Sapphire, Corundum |
| Natural or man made | Natural |
| Origin | United States |
| Origin details | California |
| Gem State | Specimen |
| Color | Blue |
| Transparency | Opaque |