Sapphire Dark Blue Nano Crystal Gems Loose Gemstone Round Machine Cut Lab Grown

Description

2.3mm Sapphire Dark Blue Nano Crystal Gems Loose Gemstone Round Machine Cut Lab Grown
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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 Gemstone
Crystal Structure:     Nano particle Crystal
Grade:                      Eye Clean
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.
Our opportunity:
We produce more than 500 colors and shades,  what gives the opportunity when choosing stones for cutting starting from 0.7mm