SYNTHETIC RUBI SQUARE CUT
Synthetic spinel, manufactured using the Verneuil system of cast iron and drop.
rubi color, we combine darker shades in the stones of small size and lighter in those of larger size.
Hardness Mohs 8
Fracture, irregular, concoid, irregular
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 rubi synthetic spinel.