GREEN TOURMALINE SYNTHETIC SPINEL MARQUISE CUT

SYNTHETIC GREEN TOURMALINE SPINEL MARQUISE CUT (NAVETTE)
Synthetic spinel, manufactured using the Verneuil smelting and drop system.
Medium brazilian green tourmaline color.
Mohs 8 hardness scale
Irregular, conchoid fracture
Imperfect Exfoliation
To set without complications, both in claw and rail.
Although it can be set in casting wax, it is at risk of losing color if metal and cylinder temperatures are not very controlled. This technique is not recommended for green tourmaline synthetic spinel