ZAFIRO TOPACIO SINTETICO OCTOGONO

SYNTHETIC OCTAGONAL TOPAZ SAPPHIRE
Synthetic spinel, manufactured using the Verneuil system of cast iron and drop.
Topaz sapphire color, we combine darker shades in small size stones and lighter in larger size stones.
Hardness Mohs 8
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 topaz sapphire spinel.