Nanosital UV Ring White, Yellow, Pink and Champagne size 17.5 m , US size 7

Material: Nanosital
Color variations:

1) Day Light White topaz/ UV Light Pale Blue

2) Day Light Pink/ UV Light Pale Blue

3) Day Light Yellow/ UV Light White

4) Day Light Champagne / UV Light Orange

Shape: Ring 
Size:  26.92*24*10.29 mm

Size diameter 17.5 mm
Weight: about 30 cts each

Refractive index: 1.65-1.7
Hardness: 7 (Mohs scale)
Dispersion (effects of light): 0.015
Wax casting: Yes
Melting Point: 1700 °C

Notice:
The color of the photo may be different from the actual due to different computer monitors and other devices. This stone emitting light under ultraviolet lumps