SYNTHETIC SIAM RUBY ROUND CUT

SYNTHETIC SIAM RUBY ROUND CUT
Synthetic sapphire, manufactured using the Verneuil smelting and drop system.
Siam ruby color, darker tone than Burma ruby
Mohs 9 hardness scale
Small, irregular, conchoid fracture
Not 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 Siam ruby synthetic