BLUE SAPPHIRE SYNTHETIC ROUND CABOCHON

SYNTHETIC BLUE SAPPHIRE ROUND CABOCHON
Synthetic sapphire, manufactured using the Verneuil system of cast iron and drop.
Blue sapphire color.
Hardness Mohs 9
Fracture, irregular, concoid, irregular
Imperfect exfoliation
For uncomplicated setting, both claw and rail.
Although it can be set in wax for microfusion, it is at risk of losing color if temperatures are not very controlled. This technique is not recommended for synthetic blue sapphire