SYNTHETIC BLUE SPINEL RECTANGULE CUT

SYNTHETIC BLUE SPINEL RECTANGULE CUT
Synthetic spinel, manufactured using the Verneuil smelting and drop system.
Dark blue color, marine horizon tones.
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 blue synthetic spinel
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