Wax Casting:              Yes,  Accepted
Hardness  :                  7.0-7.2 Mohs
Density :                       3.0-3.3 g/cm3
Refractive Index :      1.62
Melting point:             1700 °C
Origin:                            Lab-grown 
Crystal Structure:     Nano particle Crystal
        Note:
    Due to the difference in the type of monitors and other devices, the color in the photo may be different from the real one.
    Product group:
Nano Spinel crystal (Nano Gems, Nano ceramic glass)  is belongs to the group of glass ceramics with high hardness and almost zero linear expansion characteristics.
    Product purpose:
Nano crystal is one of the best imitation of natural colored gemstones, with a unique  characteristics.
   Gemological characteristics:
Color, luster, hardness, density are very close to many natural stones.
    Advantage:
The color is very even and stable at high temperatures, which gives it an advantage in comparison with many natural and synthetic stones.
    Capabilities:
Optical characteristics makes it possible to imitate transparent. translucent and opaque natural stones.
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