Corundum
Synthetic corundum gems, all 8 x 10 mm. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: What is the Best Synthetic Corundum?
Credit: Joel E. Arem, PhD, FGA
Gemstone | Corundum |
Natural or man made | Lab-made |
Height | 10 |
Width | 8 |
Gem State | Faceted |
Color | Red, Yellow, Blue, Purple |
Transparency | Transparent |